{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180188",
    "entityType": "User",
    "nonce": "0x3cec27b12dff63f13275d005b40da1a8475e258a9e63e216335d548f5ca78f37",
    "signature": "0xfb7efeaf8e1bdfc2b5f3bce152769bcb3e1f645b828230a476f6429375e423e61b562f92b7e755b48f3158398c04faa2cde5da9093bc300d48b811efa0c843c21c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}