{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xffb890b1effaf1bfedbcc160302f0ea1a23c4ee444e0ca1ad6d4ed9076af3bdd",
    "signature": "0x342feceff7accb927264381b45c10f56463b97965cf169736b45b44fb84b27f96ec1966706be8c3329c45bed79f8eee9d37dc9c3fc2c098cb1f32e39067b4a5c1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}