{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0cbd792b6c461d9bb706b9d8888d43f39b6610c161a681bd900df41a19b0be31",
    "signature": "0xbd9860bd8a2f7ba2c9e269622abf048fea22831a973026912721b62ac5775f863c2377a8024a338fcb001a2f8394e8f72b4785b34ccea7131f91b63c1e79e0031c",
    "signer": "0x4b1189bC8Aee2eb6CeD0578e2f69157Ae9DeC090",
    "userId": "67696412"
  }
}