{
  "manageEntity": {
    "action": "Update",
    "entityId": "402172867",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraftdn5udfvkmmsgv3tv2zdozsiyvu5mp6gxeiljkzhhsx66fflpda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1644422409},{\"type\":\"playlist\",\"playlist_id\":508864602}]}}}",
    "nonce": "0xab3f5e003f380c9edac7d7d8a703b8b31f90ca9ba14a5e78414a2e75ef1eb464",
    "signature": "0xb04219c6ba8beaa664788f9471280ca51c353e9f3304f2c8b9d22ca2e37275e86ea2aa3e5ec3df87fe1c8c7caf0a4c0a421080c2cc950eef6a06d30ffb8688c61c",
    "signer": "0xf7B86B7134F78bfCa140E59e3a13a697Ad29dD51",
    "userId": "402172867"
  }
}