{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205075370",
    "entityType": "User",
    "nonce": "0x36967f56502bd65773886a81e16e5e11c67bc7dbbbe68dfdabb71e630367206c",
    "signature": "0x938c17c4d874cdbf075df94251d58eae367ac672e4586c7997ee064af16ffbf411fef92f7e19521b6fb15259e2e2a3071e324ec9d3a24847bb1102474c9bd9911c",
    "signer": "0x86d50c36f1880e21e3d45Af3a9446e3001A18AE9",
    "userId": "454632794"
  }
}