{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84966",
    "entityType": "User",
    "nonce": "0xf876ed501fdc90fe8265d668382a3e3bb5933d9451bc499d6360891acfe50a5c",
    "signature": "0x6c447c23192853d5608c358e593b02c69dffe4fbe517a885c3cb9797324f092906b09fc661504789806ba2f93b77215c97b8f8575ced8843ca16339f80951d3b1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}