{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381638009",
    "entityType": "User",
    "nonce": "0xfb9c09a8e6eda99fd95bae2db05a7f841232cf1b580d58438d07349f8941969a",
    "signature": "0x51e6b07902d2324383f8a63f0f4ec86ff973327a54ef1576503cec6bb333174c1059b8a56ffe9392caa044123c5d5452ffb74e89d9a8851aedfed111ec93730a1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}