{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x9cf1563220b419f25df61812682bf87f925048435d429499dcfa945101631e0a",
    "signature": "0x85d7c4aa8a32a2888d75c41d4012816ec10da69d484eff5727880fc83a0092977504539dd1a877b7531dfe08b138ede5c5851f27600711405bb323a6da7d0d261c",
    "signer": "0x4fADC28D15fC4B42A6ab378E5b6155d0b8F33aaA",
    "userId": "372589391"
  }
}