{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136861",
    "entityType": "User",
    "nonce": "0xdd30df37b70fa6e8228fe8aec98652c5410797a6d2d7e1349efdceb00be49f99",
    "signature": "0x258eb2dd112cab665dce442780fd672d3a94a6cb28a52886725baf880c5ea3625a7b60160dab30026661f8267b44862b306cca790a7c1bab77ce51f13d928c071b",
    "signer": "0xA262fa1E6a4e2d4fD07d405D0572e986156e8e19",
    "userId": "16238"
  }
}