{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120374",
    "entityType": "User",
    "nonce": "0x74ce94b18c647c0e602a1b52fcd610b3d89c4100b10e5712885816858b6db068",
    "signature": "0xfd0232ca59700fc077346e8e5423d3ec10361e5161a99bb1af8c1a951bcd4bd36d7bb8a8f7b18bfc6095a0b3f5251c0fb6c0aa95c7464941cb2ad4f0aa40d9eb1b",
    "signer": "0xc8c4f61F41Ee9F540C9b6b684D16ef071F16789B",
    "userId": "828368024"
  }
}