{
  "manageEntity": {
    "action": "Update",
    "entityId": "186630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa2tvt2r4mqmcvjcmwqdvuleaimfveqqnutp3crnwgxjamv6qgbhq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":61293},{\"type\":\"playlist\",\"playlist_id\":61570},{\"type\":\"playlist\",\"playlist_id\":61832},{\"type\":\"playlist\",\"playlist_id\":69439},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9d5b3579d34e0bed7e907341935fa8063738e4232b67ff1e588d6291301c6281",
    "signature": "0xda59a76b3b30a986d2cd3c5fd1d229872b1ec3c4cc7dbaba869d155690de0aef309478ed13339575f98980074b0fc48c2c9c7599ee601ccd9d8903348f4d4de81c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}