{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0f1159848dc858566a0d61674fd08343db68d29dfeb7753ce8cf88ed335d2e5f",
    "signature": "0x378f05fee3fba9cf499632191083e17f75424fcdb55266b7da2b917d9e4f03ec31c7bca79069293f09f767455b8b5cb07bb2f036c7c6e8a52ba3b55af99f73bb1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}