{
  "manageEntity": {
    "action": "Update",
    "entityId": "275143328",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc26cde28987a8ff2b3acfeed41503f048e2ee79733011e9b864e665104fc281f",
    "signature": "0x530bc9c74e04c2340098436397bbfc591595ec62a3f86f9c3b035eb977f35c487159327a7813f7d4b95170d67ec92982bd587dedbbd4c4de39d1eff70eb535cc1c",
    "signer": "0x9689e3d5AB8104ba8f965A6a5b4945644cA20FF7",
    "userId": "275143328"
  }
}