{
  "manageEntity": {
    "action": "Update",
    "entityId": "265134730",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraruecnyu3jdv6tilpm7c52va2a4lusnn4lfq7vgo35jyx6uicav5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":458928118},{\"type\":\"playlist\",\"playlist_id\":388439540},{\"type\":\"playlist\",\"playlist_id\":2067613756},{\"type\":\"playlist\",\"playlist_id\":326804461}]}}}",
    "nonce": "0xeb57d8c972adcf0f937918e015f1a9593a40bdc36d24deabc3735585a9fcb8d7",
    "signature": "0xf48ea68ae4c8767baf8dbfa751a27471fdd2bec9bcb3d30c9b0a9d1811af5c5328eb82d885f21c976072a04bca9a4455ff72af9e82321c1372eca86e1d00e56e1b",
    "signer": "0x27686c69c3E5E4BE1014e8b5880ffD7BA8713dDa",
    "userId": "265134730"
  }
}