{
  "manageEntity": {
    "action": "Update",
    "entityId": "129166385",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqwju3no34sdypcgqfev2wv25z3mdbk3dnbbd4m7ddeb6xfcntu4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1702517120},{\"type\":\"playlist\",\"playlist_id\":2020621614}]}}}",
    "nonce": "0x7f64b6266a2743b79b0ebcc3ce295f8fba875e3d83c41a19ebea2d4df1aa8e4f",
    "signature": "0x492959cd3c5a668e8b19284c5e5c9bddedc178ab5dd4a84383e81a4cd0a155dc6ce82a04732905084493513e4acb02a55cf1b41689d53fed60f272941505f5c61b",
    "signer": "0xCb7Aa833f2E005981510243B801a59e2845966ec",
    "userId": "129166385"
  }
}