{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195732",
    "entityType": "User",
    "nonce": "0x4e9727faa63ea84e7763de0233f94b579c382ae4dc51acced4d1cef449eb10d7",
    "signature": "0x4482ef3f94fab07e3ec353c5216f87fc398cd7544dc7ff5875a3860088ef01405a8d60e7b28c346c497c8e1b39e85ab9b6303f8662f4ca0727005fd5b7814af91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}