{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175041",
    "entityType": "User",
    "nonce": "0xc0b53a6f92712ee62e1998c2fa4eaa68676979007b36dfe318626f29d5f24e99",
    "signature": "0xf5ed4d74413a72836aee461fe29e203404dd9877a545740f78f201250eaf1beb25135a6b94fd1382e1532c291bac34b1e7950225c5e680b5f20307ada2728be41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}