{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66623",
    "entityType": "User",
    "nonce": "0x5faed088da2ebda9fa131e2973fb000a9e60a07917b3d13da5a42409d345df51",
    "signature": "0xd89154afaf9f0bba89b463b35902b82d5d013738eab97d2cd4115376c80b82e47117b8b3a530a67472841ce3ae8caadc46326f67ddd101f49d34720c68d152261c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}