{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70970748",
    "entityType": "User",
    "nonce": "0xbf96974030bf148061bac0d7e36e838a658e8a27bc29d0907ba813c9be9bb42a",
    "signature": "0x97fd4e347c0137c40ae2503af1f7f9ac966b0085f9d01c4d06f4cb5548bb2b713269c02f3b43f24e5ac759211e828ee4daf9e1f7fad5bf6ddeba80407b0d35801b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}