{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145090",
    "entityType": "User",
    "nonce": "0x2f4e88f2b8fcdc512b005bad0268b3aa5508c08c05b85fc73537d3aca3adf4bf",
    "signature": "0xae8938d6a9616600471b33ca63713b72f25af631c936b4fbed7d971ef1c40dd565a62523704a08e332c063e0e306fd8d51c296015ba312d3a2956edd04dc64e91c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}