{
  "manageEntity": {
    "action": "Update",
    "entityId": "706591751",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7ea4ed3dd1321465e348b56ac0c47e5d9c6111d0e747cefcb15ed36692f162f",
    "signature": "0x127cb548e754c3e1ec1c09ec7b23e41a2de335a1ab1f32b64e44fe355346abae0d190ead6047dbcff346c61f745693d5594ba09bba3cdf259119b78fa7a90d3b1c",
    "signer": "0xEa3c4c3b943D1190bd6171A35bB67A56C4Bf4d76",
    "userId": "706591751"
  }
}