{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "749366939",
    "entityType": "User",
    "nonce": "0x00be713e92b10581426fb0641d37cf4dd093aac3ab7bd436177f8f665beee90e",
    "signature": "0xcf9d51c8340e407c7d4aa1fa857732b8356825af07b8406f43a883420fd115944148c623e19b43cf551454edecf56a34bb16f4128a09891b347b709d1b87431a1b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}