{
  "manageEntity": {
    "action": "Update",
    "entityId": "964025330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7524ab4b5ab853ca339cbacbed40d6c058dc697b85d1ddb953d65644a6932687",
    "signature": "0xa298848448f30a7e10dee794d66f1fe7e4f404efb10f1d146d40d5a20e7715c5441ef2b4b63a81879519b092a2dad32035c8a504bb87f1cf4c6a4b3e7adf7cef1b",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}