{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257465",
    "entityType": "User",
    "nonce": "0x979c3057189756407c356615f16c61f46f37030e422ec21ffe8f5392d9d1f4c1",
    "signature": "0x819597f22627c993b762943b8a27aa6d1b4db215528fb5ff71c7b8eefadfb2b714d0dbd0affce2e551677f010b6c348f65e3f0f0aa6a03ba36404ceb034406fd1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}