{
  "manageEntity": {
    "action": "Update",
    "entityId": "937591339",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravzkdw5bxzjfl7okdm6iq4kwco7mxttfuo54fg7dlscqfxok2l6oa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1312763542},{\"type\":\"playlist\",\"playlist_id\":1552757967},{\"type\":\"playlist\",\"playlist_id\":1944069140},{\"type\":\"playlist\",\"playlist_id\":481820134},{\"type\":\"playlist\",\"playlist_id\":1678004714}]}}}",
    "nonce": "0x3f5fa3d54c417371c6f142e0b6551ee577a928e10bd75dc074cbf6417dc3fab5",
    "signature": "0x7948f3fbafb7a23c5b603e01c8e64892ab1d8e75fd44bbe0e4e51e86041426b907d7a6f97f1f61e09d6e4b682753727eeffddb256aec12ecdbd5cc09e8ec33561c",
    "signer": "0x2B4524c69fAB42E4e548F5A7C30aF28b1433794D",
    "userId": "937591339"
  }
}