{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55446",
    "entityType": "User",
    "nonce": "0x872a0658e86669f4b6a92cbaac2a49560a1c22f7c235e502d110e8ea1daad821",
    "signature": "0x65ed9d938298d8b6533b9c9c094396871780c904a50d8087375b90261d8024c50c596647d6e561f9ad98a4fd168c99651e2e9a156f80d34b19a4af8b9230fc151c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}