{
  "manageEntity": {
    "action": "Update",
    "entityId": "48292657",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2a3a25f0ffeb3f6d08a56abe603308fde4eb249615d4aabcf796cd08a8e15898",
    "signature": "0x4059b5ed60c1e755e197f09c34755a4eb9dc120b55b4f4d744b051e473768268415f733a3a9fa44fe42cda5a19066746799d8ffff784d9ad0de56189ae54a0931c",
    "signer": "0xFfa6D9d31fde82a11b813113Bf6508f95D22dcc2",
    "userId": "48292657"
  }
}