{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75120",
    "entityType": "User",
    "nonce": "0xec68d8ebf0de0b637d5fa1f4fafe90900f490b5755065eda7c1e329887a4c037",
    "signature": "0xe706ffe97d840a053f7fb3ae5c59663a1aee0de8258b75eb96d94dbce441ae9e2c013f97e9e9c88dc26d2fa3483c4474cc5d6c6cc99ee7cad38fe33ff90172441b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}