{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe72a16be3edb6e4df5487233e4797f4bcc3004f3e507b2a6f82acb5343c11348",
    "signature": "0xd4ff9c9996a2138ef926121222fd8a99d2a58a3753bf818588d23f0a0621923b378784f3e0eef318013e13d9b2c767456fb8d89542659ab47ff490c90c04dd621c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}