{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204851",
    "entityType": "User",
    "nonce": "0xfc35e2d1029e6fbacf690f9589f9ac3c20ed73eb6ecd742b800a4ccca39e4e1b",
    "signature": "0xe88c2e98112e4b19b56d4f0e02169285865bfea6bd54b870d0c60bdf835a428434f9153f65cae3aac37ecf2102adceb50702fd2860919d7dd6e6d449361f3e331b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}