{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0xf9ef93d1e4d1a458297b4218dcbc73bdd7840b9974ed0e09b1e86940502793b4",
    "signature": "0xbd7ca798f187eda0b22df95110300a1d4680d4a9d403a4760b515b6fda88e4a822ddc050febd4213c0bf13b12d4ade5d71ca8d7c30188a45d460ee92fbf1e6f71c",
    "signer": "0x71527791e60Fc75cC5e5CfCB4d1e0d873986464b",
    "userId": "405958659"
  }
}