{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617072743",
    "entityType": "User",
    "nonce": "0x439fc9012ae934d5949f78e786a4e9c0532ef3524ed790d46778345eefaf87fa",
    "signature": "0x77b8796c98ca24a5bc8777fe7cc18a66bac286540907999988994b2ea8bc573502203e73ce02f6ad42df4b11ed341e9ba6fff650536ddced8adb23bef185c73c1c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}