{
  "manageEntity": {
    "action": "Update",
    "entityId": "355126946",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfa644246bcf8a67c8f8762d9885ed822329f9f1c18df056ece4e3a3c51754fbf",
    "signature": "0xfc288ab524ba1db9fbf82182193646764cdd9637487d329b5e96872e73baf9875c6a9e361fc0fd66f887c169b0f2ad7e3de827fc5e49c061e1cd83bc2781dfa51c",
    "signer": "0x6c6bcd5eF4F7429E694272DB167842cdB39181eF",
    "userId": "355126946"
  }
}