{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180679",
    "entityType": "User",
    "nonce": "0x18b216edcd5145d85a502b4e0c6c4870ec996712a7976a58e245a2fbf709962f",
    "signature": "0x5e57ae5ac9f55b712e130a7f93b436a790a2a1aa723e1e331894067ccc2adbd5175dbdc676c0a095cd31c08eb85b8e033737565fb4f0299a6dd503dc52e30c431b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}