{
  "manageEntity": {
    "action": "Update",
    "entityId": "206235141",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x02ac91e3d0a09310a21ee023adc97c757ecf810e2af0246f7d9e2c34580ed5c2",
    "signature": "0x79e5423bd2a1fa170f3b9a470874d43d55453c14cf76e6e51b2d1da5117c86f96a13d6e614357840cae123991097a42d9f898f4083c6003d0b667638be2ab77a1c",
    "signer": "0xE87810AdBeb88cee1a26E56469873118eBb15658",
    "userId": "206235141"
  }
}