{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x4cf2b5df2881158cd87627a9488e8568f21f97488d9387c91556f60fb729b381",
    "signature": "0x0174eba55e23d043039e02ce9adcbfea380ee0a59e17b9897d39d1b097dc4be1043dd7a8253ee6d5f67c646cf5b6d47cb2c69b95c60ada49e87060aa8039e2e91c",
    "signer": "0x380Fe18384267CA159c9Db6737B959099be2a515",
    "userId": "381292764"
  }
}