{
  "manageEntity": {
    "action": "Update",
    "entityId": "766053366",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7nlt7zt7mfkvndx6lualtejcvzudaj43fg5oyagptjcltsgouyvq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":27583319},{\"type\":\"playlist\",\"playlist_id\":2117186551}]}}}",
    "nonce": "0xd0bfa2380eaacea9c490894c8753a72175701476899189c3f573aa8845ccd411",
    "signature": "0x617058c2a143ba3a17170b21c341d03e81688e7060aa3a9cc6fbd03894c3101253693f34d6b627f4c9f7d11336f9fee832a413a870b0a75f3ea3b3895d8482df1c",
    "signer": "0xE0B1Cd7F7124071739f50a64A1Fa3E5EE57a7108",
    "userId": "766053366"
  }
}