{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44074",
    "entityType": "User",
    "nonce": "0xf8614ec33476d3dd41302f148c88a505803538d3a4c2537e9909c78dd1b17bfc",
    "signature": "0xa5320ecfa8d8e5f0ea30b993dcbcd9268b699837f4191de08dae0752295e94d10d4c4ba00dca53a8751fcbb37090a747bd43bf500c6efd7cca99d2521757d3f11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}