{
  "manageEntity": {
    "action": "Update",
    "entityId": "325759926",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7f18ee6711fa8e5bea950ca1f79a6a940e216a7d68eeeb87a43339d6bf86530",
    "signature": "0x7baee87f127018a69faadab591c6b58d9c20876a85b905ab2734110d0f57e23e43ee9407c61105d876c5b77e72e061a8aaf0663b4a3985c55d0474ab31d7bd8f1c",
    "signer": "0x1441b5438E2E913E38dd1Db0792225cdC3447CDc",
    "userId": "325759926"
  }
}