{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794995504",
    "entityType": "User",
    "nonce": "0xa5f9d629b6876cdc340366a3ba8999e0bd64fd8999e74f6e62df7fb2dacbde5c",
    "signature": "0xdc1c47cde8d63f47a4968408bfee8c1e3bb5a61ec3e4f25b4e8456052fee2bae3de9dee1c695df6082a81baea414f076c29c313305cdbb20cf8dd88f8798f7031b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}