{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0xd4871da337905aa52f7710823128ebac789655de3863515a6b9b371b13ddfb98",
    "signature": "0xb47b6519984997912057e2b43e354e090d0d129c67cf3eb726cc21dd19c5ef6417257b165c0d25209cb69dad3ab1380a8ce8d6a3a97dff44b8101f542b9c91181b",
    "signer": "0x0e59dC723E2Db3288f2dCA66D897A9960d342b8b",
    "userId": "680088579"
  }
}