{
  "manageEntity": {
    "action": "Update",
    "entityId": "72110324",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xae7f04024c60f5ae050f3dc4e159d68734d6a42f6de704ba3e74897601942fd3",
    "signature": "0xe96a9c20c86cadf0c198297c98086b330fd5253f809973de6cbb0174b639d6d7543ad19f3920b1a1b79ecb57378a0c198cbe93d07c5ec8100b6ff62bdc8b40851c",
    "signer": "0x1E6Afc292BC4aD8fB8313a3E0B1923E383aAF05c",
    "userId": "72110324"
  }
}