{
  "manageEntity": {
    "action": "Update",
    "entityId": "187311181",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5a94c782429ca7b2307cb90837dad0b05d63d7e01768b0f4a9b34e1767ada2ff",
    "signature": "0xb1fb49c223e59306cfedf47045dff7d51b05bf80a06cf2acb827d3f383f9d14c678b098e94c2fdbf61282d8bee1dbe251fee6070eeba25993a5c04305c3cb3e41c",
    "signer": "0xcC92A44C4BcBc4a5Fc9680Cd5C1473DFD584F88C",
    "userId": "187311181"
  }
}