{
  "manageEntity": {
    "action": "Update",
    "entityId": "682449015",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe10463d3432b12fe42c7b9112d407c4f158f2f0569b7f1cb7451285924816f4b",
    "signature": "0x3dc83ca275b0a0c15f4fc52fefe84955aa3132e62f9ab339b4704dcb7786484f57d9e2e429ecbecd67bdc990be3e870d163c351c2e6f276bd18b8b3b450d576d1b",
    "signer": "0xFa2Ae54070dd8B59C9E3E33876a4F1077Ce4bf5C",
    "userId": "682449015"
  }
}