{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4338",
    "entityType": "User",
    "nonce": "0xbf691c917c344cd4df2b8f5a60b05d5040e69fe78ef184129d7b23ee832a513c",
    "signature": "0x032c80dac4af9e351cb351305421ae8b90d25834dfafd2430b962d3422a5809668667695385459aa2ce5f0d1f7a06c13ea262fc2e49b3a274cc7ec0a9765977e1c",
    "signer": "0x3fE2Ce45ADC65de79b26d2ed5A1E2E49b80D4970",
    "userId": "563191494"
  }
}