{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x490bc9c64135087c95e505f3d3f5a46b4fc25daa1b52a002da1416059c12c484",
    "signature": "0x622cd6613e1e3a6c8c925bc757850549510a5f42a2051cce639dec03547c581d7b736670dc9004345fc0831b21c7b57bb5eaab9c13335aef8cb30e753d8d7ce41b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}