{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53669",
    "entityType": "User",
    "nonce": "0x5c4bcae2b3b92e05e5b8df3ec9b7bb154f45ef9100b49a291e0b0c60581d6376",
    "signature": "0x62442e97b4fe9373e50a9b84d791dddfb15eed08f0abe2d0445183995d8d4dd30d2b34c33685c05cbbec5f305f44eb96bcbbffec0ecca4adb3ec4174249b49121c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}