{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122774",
    "entityType": "User",
    "nonce": "0x679b123fb3ea4636fa472330ee15aeda9af226c18643541ded995c36563931cb",
    "signature": "0xe8cfd4b498719153ff5c761771ac42e37e2824fde22e7b5976c044e203e1ebbd242c9a902e7837b944103a015b58ee63999507788784bde88e32ac654ed0bb991b",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}