{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33388",
    "entityType": "User",
    "nonce": "0xf1ece01253b8250d3b58f10b96a5ae7ef7954d166bd3af2ac660426e6f029261",
    "signature": "0xf994bb176d63b95ea0ec8c8f49190acdb5b7d3244e1aab2b7903f3ad9a1b0e550fde7b110cce02556507c558dd2e74edd84d5d0e59922ae09d61cc2eedc434861c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}