{
  "manageEntity": {
    "action": "Update",
    "entityId": "566964146",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb8edee9109f16ffc5d05c80b504c8838a03064372948bb41c7ab8db5cd806d97",
    "signature": "0xbc75f89a9ad4735b3434a9ac19f8b655a9728a6ea6004caa09a291a031c079a166b701426b3f3a29efae630363d900d64b7ed94347041cf8e80c2c1a10c45aae1b",
    "signer": "0x7D991945CC4bCA9A06074D7026a35DFCDc160A09",
    "userId": "566964146"
  }
}