{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0x1a45a22da6379ed174009452b46c085943d836256d62aaa5594dd2438c525032",
    "signature": "0x4bc9086439223d1362205f6e1acb5d324b1d72eafa859df6fc994fbc28acc46c7b2701990a4177eacd88d643942f0859f59638e733626745ec9b8f4cdc7e4a3a1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}