{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xa7789c8ee6fbb3175f1fa313e22d51908e40526b5184151a91960dd29bdfcbbf",
    "signature": "0xf69184eab516737a3f06125d02cbaf34eab1778e087b9e0370b9cf0acac58c55667f9023eb555c3b029cde6f37e06213d5515a0f79659be7b06af890bdf119d01c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}