{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "257465",
    "entityType": "User",
    "nonce": "0x472f61a4727f89b4b414b39e600d1a92e80b371505e7d9a847339f9969814e84",
    "signature": "0x404125752aa1111ce78cdec5f7609bf1758e2efaff162b734f72b155637d26ab1215ec7147cca870f69b7f572b41a3c79c3b91a4b744f57eb1228ffe711508601b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}