{
  "manageEntity": {
    "action": "Update",
    "entityId": "916627382",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc866ec3111371a4edd6d213cb19d5537c901f0ed132ee27027a3e420b5d9ce2b",
    "signature": "0xe1cca0c43451d42e6956f130d750aff9364a9182097f1e8104b467b31e71434b2f2f3978e26f2f9bb29aa61a1897b408b3252164d7b49cd441ec6afe405c2a2a1c",
    "signer": "0x5C34D43C7A4DB9967121D6CdC2b22bFAAdf301Bc",
    "userId": "916627382"
  }
}