{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90841",
    "entityType": "User",
    "nonce": "0x10eec702e90c3e02ede7d2e21afd6b75571b6665c7ba885cddc171933f9fcdbf",
    "signature": "0xa6429c95460b5f6b1a397156f9b705f006bd45083fe1d85333448ec1dc6660df28dbfcefa4454457df331b8267ffb540bda8b0e082df0b562a6c6105b10e6b0a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}