{
  "manageEntity": {
    "action": "Update",
    "entityId": "791007895",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramniq56dmvin2f575jnwfix3w3hme26bpb6dz26dfgpuqwy4vhcrq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":964458401},{\"type\":\"playlist\",\"playlist_id\":182045004}]}}}",
    "nonce": "0xcb80ec8aa448751f695a9741d069366dda154f7148eed63c7026774113e61130",
    "signature": "0x0a5f9f8aaed938bc0395ae59a93b39fd4c2237d8c806a3557d88ad24a977ed220becfe7020697b11a9c23e8b675f313c62e16f1158814f29718b2bef01fc8eb01c",
    "signer": "0x78BBB1f31E6bA26dA700D13F74B22F3C34dc89F6",
    "userId": "791007895"
  }
}