{
  "manageEntity": {
    "action": "Update",
    "entityId": "237358951",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf08e4d72c004f1f3d9e4c3cfa22f68bac044e796fcc96af5802b36badb0699fe",
    "signature": "0x98a081ae828b2e4590ba087a3688850b47813d30524483de1612f196bdb8bd367d8c41b366129c99a7b2cebda9f03deb56a43313b5db80d584fa33fa8a7fa3351b",
    "signer": "0x9AF8719f4a11e09Abb6F3f6772F52398f35BDffb",
    "userId": "237358951"
  }
}