{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "575269234",
    "entityType": "User",
    "nonce": "0x1db918b28f2bf9c00eef8490a2a73f0c234ab94fe42c06167f74bc84c27bb753",
    "signature": "0x24cf06a7973ea16db94ef9c4aaabb89012743a8c1ebc5cb9bc6b41e83a40611312753905bab2d7b548e8cbf92f9a998b31fd44e0a33096fe203d69382b053d431b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}