{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "46389738",
    "entityType": "User",
    "nonce": "0x858af25c7495c5eae97c41211901ec9426efac9a96e058214666f27eefdf6f2b",
    "signature": "0xd3e50badcb33411a631ca56cc160e75436d9ca07245365b169f019f3065a55843ca0af9cf83e999a221adb8ba43ab4cd8bf3a4f93dba7604e4fefeaf2d9000751b",
    "signer": "0xb15e0969937058c681E67343137f40F72F50d99F",
    "userId": "790717795"
  }
}