{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x584aecbe841a6247613733a5cda716cc6fb3331c2dc4eae8b4a16e73d5d5db88",
    "signature": "0xdf9779583578a0ace7bc532caf89a92c66f6affb4a4b8dc4cda1458bd8448f3a622aa3f6c90ddbb31715c6a08c272daa9c65a2ec29877b79addaa9e7936cbc431c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}