{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1090",
    "entityType": "User",
    "nonce": "0x9a9b0de41ae5766a72679c4f173b6b793b196bb69e42208eef89311a86d1cd69",
    "signature": "0x0d9a0759d131e49f92f4479a67c60be29bc382d44d5b2ec39da4f0d4c94b90d843c8bcf21859128d07895902ff4150a5e59d348305db38d92867fdadbdfd4bd01b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}