{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155117491",
    "entityType": "User",
    "nonce": "0x9fc4b3730288b994be9384354806d4754b2e7b8eaa5f20f5c046b50ae6f9a195",
    "signature": "0x37881977c60407e170930c643fa77198077c7b073464733f7dc9fee62e4fde663674c1f8ae20e848bfd4996876cfc52ff09740ee7bbfd482e690ec40d9d4d73e1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}