{
  "manageEntity": {
    "action": "Update",
    "entityId": "313045689",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e173c36b9b674cc878453a3fe446037ceba9a8a91fa171ff1b7a51191ae4736",
    "signature": "0xdf991184f7acd8bd6ce36681679789083fbf745e1e3b3d6c6e6f0ec8eca6f7655c3e1081a03d1ee39f296b95460e831637a555fd7cf24c7e87f9904e59bf454a1c",
    "signer": "0x7495ffcEA4B233ca42224EDe45fA94bc245920C2",
    "userId": "313045689"
  }
}