{
  "manageEntity": {
    "action": "Update",
    "entityId": "895739959",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahvgha6sqvhox2r3i4uvnkmioc32xluyhmgeozefo52qmzlcgzwca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":965051961}]}}}",
    "nonce": "0x760188fba2a77c92c3d88357d12169250f532ad6ff427b52c8ecc2b402a5afca",
    "signature": "0x4253c65b770a5ccd04499f2d708280977248f2b5bee5e4ac33e8b48eed8c0e3b2574402b38a1b948d187fcae2c8c7ce206e4da7152f8b0c6e95d31327a910de81b",
    "signer": "0x170ee1800376F784C32151bfD11db7Ea78a42315",
    "userId": "895739959"
  }
}