{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "569561",
    "entityType": "User",
    "nonce": "0xee6bd53557e8023f15e7fb54adc16783bc21d22a54ab0fa373725c6879261255",
    "signature": "0x10868a63a39f9eddc3ea5b3e1d270666fd1dd27b91fee42e41649542cfd104bb745fbfb7977d35fcb433faf59cc33b006299d6a320acacb1728c290632d0ea751b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}