{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359482",
    "entityType": "User",
    "nonce": "0x31f0bf6f468d184f4abe54b3732bee22143471682dfbabfca448a55bd2571ff5",
    "signature": "0xbf335007c4e1f93b4cadf9ee38315500adf7f544bd5349f16ad3497efb1fe0c354ac5af52c88507da5eab3c288a11c8a74838a1bfa9131e1b73c4d924f1574201c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}