{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984691913",
    "entityType": "User",
    "nonce": "0x06f32279e9632f8591f9282d924fa6ee1976cddede22fa31e1f3a9aa51c16242",
    "signature": "0xe166ef79249e0e1ca853c7665b25f8fce0d4f7bdfe1832468947bf6452ac5a585ba5d150d643d1df3c48397ff10879339e2ab360e31c10396a9c258143324fe81c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}