{
  "manageEntity": {
    "action": "Update",
    "entityId": "429063330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7dd56331a450fba7ad007eceb735cd9e396c5b9844d4b6544caa7cc4e23809ed",
    "signature": "0xd57e71d34ab4149812af5e7bfe24774f9ed99a56bb38cc2fa6a91264a35b6d075b53e37e613ba9b997c23851c4e2100c3cc29931bb7f0f17e7d6ad80a37af9ce1b",
    "signer": "0x35067Af427B9937774caa50b7161C41233caF249",
    "userId": "429063330"
  }
}