{
  "manageEntity": {
    "action": "Update",
    "entityId": "294750621",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierax3dlncf2imz4rlri6pp2oftt44ixcp4iylejgrh6glno3ydr5ksq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1085730089},{\"type\":\"playlist\",\"playlist_id\":448712106}]}}}",
    "nonce": "0x25c8d0bf847f9d2645c698cc2face66868c6baec1ba5dfe80318a9218a8877c8",
    "signature": "0xa4789a7e0a7dfe8c3d2c84a51fec95a48586b64923ce9b9ea438cb4f921f755a43cf7c1be702d66b70a927dae252ba2e8ab72e9723a8a22507200ea4972ce5481b",
    "signer": "0x79e9a23B839E97A6a53F024E999714242bAb4572",
    "userId": "294750621"
  }
}