{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "248059323",
    "entityType": "User",
    "nonce": "0x4d57921657b28b8d65eecdb11c646bee4cd7c0d4143a5248716dc1aacd6800a0",
    "signature": "0x39c9c11805879ea117e9a2e3842d159e9f3828e9dd60ad74928166e011556c421fba255bfa028d6425e8f19d4c294e488da85f6e9f367322d6ad9cb7a9d90ab21c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}