{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42617",
    "entityType": "User",
    "nonce": "0x91f6d8d4b1215b2ac4fa4a046299e5919b5b4b2b0393d2ea10bfc03bae79af03",
    "signature": "0x2a6732a9a6cb70426cb777f6854d39c7a3922fa687d28c596a1f64763300bd7459ab2ff7d1eccdfca1a3a5103c93bc26dbe3a9d753772d7f73e60feacca000691c",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}