{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74647",
    "entityType": "User",
    "nonce": "0xbde119cf1c21d3562f68b6169573ddec86229b25aba09f7f1d7dc7d10280df0b",
    "signature": "0x581392e719ec1a9a0ef6232aa4cbd5fbdab4897174b3850001908170930faead284820d620b0f4205d043bb07ca6e75d515741aa8d634a211cc2a90d0df24e291b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}