{
  "manageEntity": {
    "action": "Update",
    "entityId": "566662246",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24270fdbe30d77667789deac9ebcb08aea975f9984e45037c2cb5b48299f60ea",
    "signature": "0x436b7ece57468e24eed547c4006b16d4c51b78525f41fa6bcb81f5a181ab5f952d9f5268aad8380cc48600e83f38976b356491574aef010181f1e73e1b24bb071c",
    "signer": "0xDc615f6A805788DACADE6497321E10013Ab6221a",
    "userId": "566662246"
  }
}