{
  "manageEntity": {
    "action": "Update",
    "entityId": "700236399",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2yy3xsa2gqed2pzyedcppfh2zs2dyijwh4r5cdzmlq25turm4srq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":552525871}]}}}",
    "nonce": "0x07a79362bd967247845ff33eadc03cf312bb34002bc381e91abf015d4e95b585",
    "signature": "0x4c351121a759f52975757351f056dbae322dad26e4b570102d024876fba63fe35bfb52bf1c5a34a5c5f3c92e3b1dd16a38364105288678c5d44c4eb09e8e46a11b",
    "signer": "0x00679AE761C2F87aC8a554140d0533e86E36C62e",
    "userId": "700236399"
  }
}