{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111448",
    "entityType": "User",
    "nonce": "0xb85c1d0fe1a695128c13d5841600d45e4ae71adfb74712461251b6837e16ba08",
    "signature": "0x9bb61cf1ac67127c094dfea39241101c3b9baf299e11d22b4a4e2a23b8e6160c32d92efdc886c5a774f819c5fd54047e4178a6ef82d28556b1bdbcb8535807571c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}