{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xd2c5ccd5220a8df63194020c1560ca664887c2c8f2dbf43ee9af4460def8b8bc",
    "signature": "0xe06d719eb041ed629d816a1f035c69f697132b8be7a4f18ad492b9f22fabd4e9044345ac8009b3b4537ca61bde23b2394d3e49e922a98b73182ed70304fde72a1c",
    "signer": "0xd8414d8134902279e97471e479cC660e0b98a827",
    "userId": "33402495"
  }
}