OperatorRegisteredToNetwork (address operator, uint256 shares)
[topic 0]:0x16c1a2a8195923d655fe84191b37c746f4385a5c32c038578958b29f52daa1a8
0x0000000000000000000000004d7726bf983932fa5425061d69d25c530c779205000000000000000000000000000000000000000000000000028138b2fceff886