{
  "manageEntity": {
    "action": "Update",
    "entityId": "10235",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera67xxueub65y4yfk4pzbiz55wc2ke5opafvbo6dnksblbvpgk6yva\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":154948020},{\"type\":\"playlist\",\"playlist_id\":349442979}]}}}",
    "nonce": "0xa4a1872172f1bb5dc4985b535c07546721219738bb99af51fdae6ab0674e8afe",
    "signature": "0x48f011bbc0eece17e9553a1162ff78d23c615ae589085716c660a0be2b1707db37573077934759a1b91a1e63073117ee3d18664cd941c51c46ca3176ec5f64871c",
    "signer": "0x9EC2d6079A9950c6B47C055346f01416C3485141",
    "userId": "10235"
  }
}