{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109963",
    "entityType": "User",
    "nonce": "0x13c7130db9d958b51929c59f9a008ba045456973ff1d6c9dc663b2039e616407",
    "signature": "0xfb4b025e910891f76cc82676d9c1c135622c70f3152849d959d91fa3db6bd64f1ebc9b5b9727d76f87517b8e71bdf535bf374888d5c4b2379d130ede163bf2b81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}