{
  "manageEntity": {
    "action": "Update",
    "entityId": "426652362",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5b714149643ad688b834db842bf6b2f024fb045a389a41a90fcb82cd3d25d988",
    "signature": "0x4244e87cec4097e258f0b0b08fc253c018bc00cea16830a96f65b576d45318ca59561705a0856bcac0a682c28dcfd10015cb9ecc3862e699217d179543897bf61c",
    "signer": "0xd725bC2e46f32eAcCb5A30B4D9aEf2Aa18cff55B",
    "userId": "426652362"
  }
}