{
  "manageEntity": {
    "action": "Update",
    "entityId": "71843603",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xeb3ad4b91e8d18a91675210873302da70ae39d52dde59afd2ca20444040a259d",
    "signature": "0x10d9b2790e8e8b9e7c1accd7e7447528ae8f01f43c43fac641bf04e6e71b7ff72384e5dc1bb3a4ad04ef577971bf57f0b6224f8418d07887b9b5823b970996f01b",
    "signer": "0x0223D99aABF087EBEa2Dd55DfAfa73744E3c53Dc",
    "userId": "71843603"
  }
}