{
  "manageEntity": {
    "action": "Update",
    "entityId": "797377098",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd13d5cd8af926110c6684fd364faed3573b21f8ea3254d25236b75c74ffb3ff4",
    "signature": "0x40589f44e396bf25f63357a66a8bc7ab7459197e9e7d9a078ec0061193719bb20568112bdedf6190d0d162e8ade389d07ab13723e7544286a946cecf85affbc71c",
    "signer": "0x14b1c5141585d6dC5D57aEfF9e07F86b0F9aDBE9",
    "userId": "797377098"
  }
}