{
  "manageEntity": {
    "action": "Update",
    "entityId": "343377422",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x711d99818c4e93d8f0ca5dbc517ecb5ffd3b269c7ae3cc13d6e2c18963a55400",
    "signature": "0x4df756c0b6218ba5c5521bf711a545af48f5b8bff5b6d6ceaef9f432718262343b553dae2678e6bf5c45439b2d400f6c0937b82fc9c18a67b1db8f23d0d582271b",
    "signer": "0x82be95Ce6Aa594fAb4371df6255AAb1d49082917",
    "userId": "343377422"
  }
}