{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x340e70eed7343f79e09563fb11ce72e774c04e4ccff60b6f7bdec9d438182f14",
    "signature": "0x301cff4328f5527c4476565da021479c8793aa35ad6ef2b7e252f6f476b72c3439e9f6bb1f252f7399d593e94aeb85da39accf137de7d407dbcf790f895bfb481b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}