{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xbd4787b5208c639841a1daadea2458fd51b79fee12a25e1e045a0d764505f5ea",
    "signature": "0x03656bcd1098fc0d5102ccbc3c3bf0c4970b65f6d9a1894e3451da34a3778d810d14c733ca0584d388954e9c7d4a39ea0e83b1f6e5f8bfdaa67c080f0c140c001b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}