{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57161",
    "entityType": "User",
    "nonce": "0xce54570413f3d8a730cb4a38b19a9ffd44d86f86dd3326a299b2c2ecedc0dc93",
    "signature": "0xf49025ec89d97e06a99cf95a290e4b1ac8ca2f918b992e83e3eec18b1e4237f54cc7892ffb034118427e62b86394f3979dc5ac2a95936a3505378b11403ac1bb1b",
    "signer": "0x599AcAE6Bd3db598aFCa7e4fF9Af46c766a941e9",
    "userId": "708112906"
  }
}