{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1785",
    "entityType": "User",
    "nonce": "0x5d85525fff411c771ea6c588ad11c8f5fa3a2b70187264216f4432ad5eed6232",
    "signature": "0xe9fba9710305f725eb0a78d857e41a4c0f50c84d1a7f16d3493898170c13295b754e16db01c894a2f0e1a33313da3d237032550cf3f95f854a1b3fa97d68c5fa1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}