{
  "manageEntity": {
    "action": "Update",
    "entityId": "75683930",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8adead206e77da9a09546cb9df00a9b14626160641db20c2f986b572e7646518",
    "signature": "0xff787cc0014d1c83391192a0e2079f4cd6dc4f0f906806c2070d12bd02020acc2a20134a8bee4d75c4b9e371bdd82871f60ce036c22574154fe21b14e1253bfa1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}