{
  "manageEntity": {
    "action": "Update",
    "entityId": "68274155",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5bc0dc6e94c7a3eb44069490a2710e3863df23b385be57515ce1ba82d7436e4b",
    "signature": "0xfe3058405dcfb2c35ddf85c9e4fcc3a8e2c54e2fa3a7e9df059be68cc63f13821b3a60291c2fb5b3dd74efced89d1c4f83d5b6c737debf801b530b01305189ff1c",
    "signer": "0x91604A34364dd188aa0f1B640414e9cc81023ae4",
    "userId": "68274155"
  }
}