{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239187",
    "entityType": "User",
    "nonce": "0xe6b54ae1f37b9205e51991bb84890d2b2c2431c1cd30cb796f1196ce8ca3cbd8",
    "signature": "0x570f56363ce99de0b95f6645d9dfc13a3e3eeb02ee0b1eefeef6d3fd5794647a06a4772d24bb73f98c71172d336d5672f7942fd69cd5a4806b747bbf8602824e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}