{
  "manageEntity": {
    "action": "Update",
    "entityId": "704556561",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x23edc54787ae2fa6a661b6129d94752e557fff5e225df96a6486a4bc1dfc6ec9",
    "signature": "0xf2bd50ba980f692b821cf775136e79a286a40658f8bc9d217ec963abfd578fd51aca3882f54eb1f3fa5c1759da7dcce9029b2a8519caa1005c7e8f852ccb87a11c",
    "signer": "0x1ECA0F6DD9Df100D61052dBc7c940eE29846e69c",
    "userId": "704556561"
  }
}