{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343259028",
    "entityType": "User",
    "nonce": "0xc95626a5477c28f870ba95e0b2a1f5604ef5dd1126f4ff0fba40bd3693ad8cb5",
    "signature": "0x8c4a66c8a2fddfe92826d33c1c8c3cc071cc49f967458d65d9e437ce445f6c2b7db06c108884eaae8d96e57ead69fe65effb5492f2b36ea06b8dc23112bdf0151c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}