{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361552548",
    "entityType": "User",
    "nonce": "0x9fa6382c09a368222bde1d9a38438cb66cb10fc8b411f82abf05578319894129",
    "signature": "0x388782507cf9c0381c8cd3e3e61ec6c2b5311d23418b9d8df7c50fde2b9eae356e4ca6da67455a24d635e04ea0dc0cb6df87ba9cb053159e8aa29cbc2230114f1c",
    "signer": "0xD7ee815d46C5aC4774246f8F1B91342c1D31E86A",
    "userId": "898922309"
  }
}