{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x9f24cda19def3f13c77c2eeb02f886dcfafc669808e9fc43494097867f35961e",
    "signature": "0x29ac9b7e5f6c83d821af377cbf6f28138ed75023c746a099056004b1e9e761fe58681c969767b0c6aaecd50a5d7283d737f34e91ae93e10e2d814d1dbb3e84d71b",
    "signer": "0xFa4190a6C682aEF67fAf91B437CfC23C663a9C38",
    "userId": "97982287"
  }
}