{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148131",
    "entityType": "User",
    "nonce": "0xf2690a2f35e4cba5c700445c78fec3adc15b0886b62eb6f67fe7a9537323254a",
    "signature": "0xe31ea5842e81ec9daeb5f84852ce27945f2f98a8fecadf6a3c36214c21a785fd20fe23f0160315b34000d9a8bca9923b30b3f2b74f93844100d11f5cbcd5cf2c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}