{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x0614c38da5e4446a54f39ed214bce43fab2ecafcce67bd5783448f102b3cbc7b",
    "signature": "0x05c777221a181c742a4eddd896a43604efdee470ad789f88455769198d539b457d714603482d496bfbc0ba85c5721d3fbb1fd36911e5bc743071054935e6f85c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}