{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x096e3972703f74d95abe9a7297006943e1a0955f2b694706d25b3dd2bd75b98e",
    "signature": "0xd552dba0a6e8b4ef2b88a93ce6d20c93459a539fc38096b5d924be1ec180cb04284ba7ec5ab916c7b13b14a51dcbf9820cf3e5cb5fe8d2974c70c3626276e6331c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}