{
  "manageEntity": {
    "action": "Update",
    "entityId": "952196459",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xea108f6eb7784b25929ef3de97f22a667fef1078fec315dc26294e16fb0cd28d",
    "signature": "0x49adf5baa16a584e1a0ae6f666314f3fb5fe636ffd62aeb95fdb555232a861051ea75d88712f4d057eb65726d7cb35ae6157b29d99f8c23cc2cc5c225081ad391c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}