{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x0b8d8faf992e541d1a8242ed5a2a2841366727a4a342dbb28c2ee8cb671877d4",
    "signature": "0x22ee24a1fe3e8024dc34b836d5b5460596a954b791167b0872e5dee9a7e09bc250696d5957d1686dfd33794ee9d4e99e6debaa92a001756d4141762817ba2c7d1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}