{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa77182bf58139f83919968e57226f59d3bb1cf6dd32d95a24b4bf07d079576e0",
    "signature": "0xe1dad9a64352226c82199b0e65b5c30758175ad36c05e58ac9170d20f80ed9ff6c917c14cc1d46a3b86c9a33eb054afdaf52303364382940c87331a6ce109e481b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}