{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "438684567",
    "entityType": "User",
    "nonce": "0x05e8ef6294ca53c7ddc12ea9ac848d6537a86a947f693a0b35b8dec78e69df66",
    "signature": "0xe108ed469a9b78942157826326670644071d5e26dbb712149b2e07f73b6ff5fc76b7187de3ecbbaae7583bdc94bd4ca0e9357e4c763b8376ff6b0b50c73b6c591b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}