{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0x8bd2fe3dcbc7325c4f14a8f9061edb505b4fafc7ea3b05ad7c688e689d3a2154",
    "signature": "0xa5e05be04dc1c43ecd5a486277cc759850baee201c3486d22d198c8257a14b91188293893695e26ed8f8f4090789dcd9c1507e9177e01c601d001ec96a09b6441b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}