{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64496",
    "entityType": "User",
    "nonce": "0x69945e8ee29ddc4066b07be1f20e28346f12be7bef28032ad444e860f9a4dc73",
    "signature": "0x78e92f829cf661fb3ec1ca9b2b0347d1df8603eb8dfc324e9afc97e31181439536a1a8d3fdd55957358d6643f59ef67a9c62ce8534f90f55130143e952387a3f1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}