{
  "manageEntity": {
    "action": "Update",
    "entityId": "863573949",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazwtyqlmwrhorc4khaosnpropvknvapbsazd5ithf53c3y73ebvoa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":777150132},{\"type\":\"playlist\",\"playlist_id\":1797913104},{\"type\":\"playlist\",\"playlist_id\":987382638}]}}}",
    "nonce": "0xb915db8bd8ab647a4d13f1a0a60f0fa5345b08c640083de5d86d0a47db51bfce",
    "signature": "0x8b9881da103801072c0dd1c6d750055ef42dff73807872bf6c268ceadd8dc50d034f4c7216b0af3788af0bfc19570bfdc53dfda2ef4fd9eebcea72018a392f3a1b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}