Refer to figure.
ICAO Doc 9432
2.8.3 Issue of clearance and read-back requirements
2.8.3.6 Other clearances or instructions, including conditional clearances, shall be read back or acknowledged in a manner to clearly indicate that they have been understood and will be complied with.
Note: In the question the call sign is not abbreviated. Therefore, the readback shall include your full call sign.
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