{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301465",
    "entityType": "User",
    "nonce": "0x79dbf07572892ad7520ee2275098d787e19ff2f7323a22295db4d0e350425f52",
    "signature": "0xe71f3523375682df1e496f19f3ca5a23ca536466de223241de72f1131aca93344cbbaee4e1fdcf2238832c32cbda44d1dc8b6876a2bf07cc26bb01f11d4dc3261b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}