{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235383",
    "entityType": "User",
    "nonce": "0x14e5cec6db0f1a2344c25409bc13cda39cb13c8a11d4ce4dd7391f310f42e5e7",
    "signature": "0x003c6fb70a27083df0cd727ddb14304f3abaf7dfde5dcd0fe3a7546683a1bd6134a20580f540b9f9f46c956bbed985388b9439aa4f9123679f8be711be5b30bd1c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}