{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xca4115fd114c16bdd8c97c8c294dcf1ae0d2c0ec3bba301bd871935e74713a77",
    "signature": "0xe5f308e9fa25ae56b67b66df19932b305614c2e64df53c8b65917d37495a21f539a5c3fcd47192ae61178bdb6262f451df52873c7047537d3ff919ef1e1f3f3a1c",
    "signer": "0xEB9592D53448FC76CA6a96d703DEceC1FF1Bb5Af",
    "userId": "729166010"
  }
}