{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31300",
    "entityType": "User",
    "nonce": "0xa510ab328594c43cd24d8ee5049e8f3c0aa65ae8c2bb650d6d950f1647ffb073",
    "signature": "0xace9b3943989ebf6ad63b92cfe070c326c367b9565a05d5c37690bd9b2c8244b0a89d506c9b1b1d7c389355fb8082eb5b5cd6a9f49553764376d5a45f40191f41c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}