{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152769",
    "entityType": "User",
    "nonce": "0xb01cd14394abdaa3076b39fd96383d31bef19473160e5fa79856f5696a9c196d",
    "signature": "0x46fb92a3995d08ac760249a1089375d397ba47a4d11aaeea1d946c3a75567059350c706e8cb6877118226b2515221cf5735cb8124812c63000f3c68d7ee91fab1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}