{
  "manageEntity": {
    "action": "Update",
    "entityId": "415418028",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ab954df2adcea0bfeba71b13291509dc04e220d85e59791ad8c83d74b8c2f27",
    "signature": "0x0f31ccd2e292247adab0701eb72baa59569b20e6bd1179ecfdc8d5ad17d67d3774c05c15b3a642be2bbd4ed0e1ee168640a36f255ddd99983ac7696581bb48ae1b",
    "signer": "0x7dA561c59e20634Fbc2d2d7A9EA8Ca0898294EEe",
    "userId": "415418028"
  }
}