{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0x06df7e37d69f65d1c484cff3b864efc3229feb0d46a5dd62f16cb5e98754a618",
    "signature": "0x81877035f9da704574f5ae42a007fc94c294cf4c4fbfb288674c46407c19f5580d8ef301a2462b7e5703f84b94bbca67c2d9b9e53c786febcf0714460b1333411c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}