{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188956",
    "entityType": "User",
    "nonce": "0xab6120da777a6e9ade06650e96acf4390561321a23f795fbadd466372fd969aa",
    "signature": "0x62231426ee057f7097b23abffe67d4d65920dca109c7a2d5ed1a8aa2e31b41e849a5df050f0cd3a34a18529439cc9f2cf6a200d83fa59da8baf465f310d09f801b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}