{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142005772",
    "entityType": "User",
    "nonce": "0x07277fddbb16462a39e300cc944f4b0d572ae77b033aa69690551d83f2b5ec98",
    "signature": "0x49ce62af31302619cf833ca2f4c74488a052c86f9a7c2b6336dc946a1a742e06662cc1646918f55ea87f44ba170e41add897d928ed5a197b39464405403843b11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}