{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x15953a6d496c879fe10a9f829b23dec76a32328fdb8de01682aec9a9ac0c620a",
    "signature": "0xd1a4d3c8e5c77be878f5d936edc1848467b8d3bdf8f8b35a795437c4f5df34b20fbac9cad584ce5da85ce2d0f166ffd8716c8943b8f592da2a479052f93818591c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}