{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922686933",
    "entityType": "User",
    "nonce": "0x8b19a4eb2ed82cb4b1a32ea5fd8f2014ce17da012676a7c0ca7decb9bd17662f",
    "signature": "0x8475efe0ff2b0ad7b93f91525b11915c4792e4da5b63ec35c16787eece35e26c6435d7b11086ee0c9e26b41747ec2f5d5a08305dd3a15adfbf15998a0bd86bd91c",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}