{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108479",
    "entityType": "User",
    "nonce": "0x8cd2292188912e32d65486d37584d7509a7b4b6d0def022500fd4db303dddde8",
    "signature": "0x3115a5c481baa9bc3a08046daa9ddc6c864450003a6ed572c17db4376aa2fe6b30d02acacc27e8a22b1614a08fb0a25440a25daa30591ecbe303aa9417532af91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}