{
  "manageEntity": {
    "action": "Update",
    "entityId": "567928065",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierajaadgs7vj7thuhuxexfbzjjrebmgndf3mmw4ih64ersmnweuyvsa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":423522717},{\"type\":\"playlist\",\"playlist_id\":625025251},{\"type\":\"playlist\",\"playlist_id\":974533873}]}}}",
    "nonce": "0x188b8a4b3c7b2028a8fb436da569595776dc2c7e1d5849d67eb4b48f545356c5",
    "signature": "0x3b711cd728c4f3f3de4c75b03051f993bcbd5873dcb95a1185c6c48a821470ed4c7085c4a0bf54361c5e3dc9d519528ca2ac49c35fac033e63ec4d5c659d1e311c",
    "signer": "0x2cd5b0F36Dfc1Dab7fA1C5A611d1aC468DACa7D9",
    "userId": "567928065"
  }
}