{
  "manageEntity": {
    "action": "Update",
    "entityId": "760799453",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x89c01a41645cb712768ee0ef0d436b270d0e9bd3c89a2abeb763958942a8bc99",
    "signature": "0xedf1385f05daccd6969e6b81dfd49763151889a1e7453fb51c9f7159949ded8c1dbc831a0b576d1db84d875a6da5302318340bba690cfbcfea86a0a231918b301c",
    "signer": "0x5FBaAf06470458DB41014d0A34df8b0170ED0351",
    "userId": "760799453"
  }
}