{
  "manageEntity": {
    "action": "Update",
    "entityId": "265335759",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqewgin7z7j2pii2kuenkgdgz2spigcipwhbzi7ycglwcbn3eizaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":350076118},{\"type\":\"playlist\",\"playlist_id\":602355886}]}}}",
    "nonce": "0xf9cbe67ab293e8556da4e01421129f1498bfd946bb4de0ea8ab2bfbe7e238fc9",
    "signature": "0x908d3764ede5d542afb13945e6ec24a552312e7f7e6a61bc9f862c1318d4d04d2b1305c9afce3cbaf8a2cb10a5021c66a2e0d9e3d9ef2ce41cb30d4eb9d10eb11c",
    "signer": "0x6026e014e296B9aC3f20C7519daF73B2cf714A28",
    "userId": "265335759"
  }
}