{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xfb53683c6be5487515ec329471b263dca30eddd2f1707490bcf53f35ccd19652",
    "signature": "0x9671d37e350858441d34d25195c183795397f5c952bca055269c9730585723fe524ce661afae9e25a4e3fd1fcd967ce765a70c69f0bcd99d55099e8bc464b5e31b",
    "signer": "0xede5a1527271aFb900714b8Faf61EE0714131C19",
    "userId": "329941643"
  }
}