{
  "manageEntity": {
    "action": "Update",
    "entityId": "887781517",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqrewpnz4fsyhcglrlbay5jixow3ayrc5xkpudny5ktckd3gm3mja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":302807856},{\"type\":\"playlist\",\"playlist_id\":104421225},{\"type\":\"playlist\",\"playlist_id\":1675216950}]}}}",
    "nonce": "0x642f67221594d7c38b7e6aa4c8eabb5adb78c0917647e616fcc0804b97bc6008",
    "signature": "0x0e66c28d77801d5f8774588ab93fd5be4d391b0e369fc35daaf54367fdb7b3693d9f19a205ae325e8d64c98bf44bb304c815a5bd954706b11185a7efb62c10401b",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}