{
  "manageEntity": {
    "action": "Update",
    "entityId": "696978255",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0d90aa801a0577ce630eda7a4abc467a732916e104173713e647cfa695b2878a",
    "signature": "0xb8089ad7c05e387cb50ae2f2576cdd916b9907f7ba2fdbec8484e18e3f9f4eb46c5078fcac34c3fa7e1a92e30947e8070753e0a3cf2606ac9bf0a926dd44be321c",
    "signer": "0x60495664C60cF8427e991465f31ABe2F9dC345A5",
    "userId": "696978255"
  }
}