{
  "manageEntity": {
    "action": "Update",
    "entityId": "186528399",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapyleoz3z7wvais57gjy2jndspdlusiqdc7xo6f2urbpdo5litntq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":80335911},{\"type\":\"playlist\",\"playlist_id\":688588405},{\"type\":\"playlist\",\"playlist_id\":1951571532}]}}}",
    "nonce": "0x8cfbb29c91be7bdb43aa4425a8c8b77034b05aba986c874082dba9a94a10e8a4",
    "signature": "0xaac2eb3fd9e103467f8be707f237f4bbcaec96c025cef4d2ce3b6f39c6f8640e0deda9deccf1dc1fbb9f5277fe44f3ba67301ef7a971f9a58fa01dfbf8b142f71c",
    "signer": "0x13494aBe2e0D5cD0682866EbDb868fcf5d3F31E7",
    "userId": "186528399"
  }
}