{
  "manageEntity": {
    "action": "Update",
    "entityId": "67250118",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbe5712bd0c24e605cd049fe2467079f47288b93840d15a427172866f6eb1e070",
    "signature": "0xa69ced6ce1efe78fce659bc1104d1c77b9e72846c0b4212a14492d30b0f22f7c06c8636843e347c01c336b9f363c17da0b1b8e0b1f1e296be267b0dce9cf57f91b",
    "signer": "0x764341232AB28643e8106bCF183A4cCc2fFfa6c3",
    "userId": "67250118"
  }
}