{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302628",
    "entityType": "User",
    "nonce": "0x73a1565279d1216df5bc9be44909621343e9671e35ce599accebc68c6563fae4",
    "signature": "0x12f23da1bc25a7c98d4e3c3b15005873b73e4e0cc2366f4ab258ffd5b95551540d06482b6e525f4c07630b2af3b26980ee9e1d0477103b923b44c0993f55b4161b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}