{
  "manageEntity": {
    "action": "Update",
    "entityId": "98088512",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxecqoezpgcnop746yjvasppuuk5jjkciod3hy6dma6riok7pb6sq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1419300557}]}}}",
    "nonce": "0xd22f20b5911476b353a8dfddc2aa623241c376b462216e61beaa67d4cec56709",
    "signature": "0xf7c9b79ee72fd6df870f1f3511993d87e9206a3b80e778d3c3b783ddbc33a0043501a35b7f6f567774663ef186d63c4c1219f967e9076838a4757d4e0b8d31951b",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}