{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64096",
    "entityType": "User",
    "nonce": "0x883e978e4b5f822efa029db68add2c63d013998cd3a44e79d8fe3b38c558fab8",
    "signature": "0x520c7fcec186618b971023d3eecc734d6fd143532c0a01d7158a5a427969e1a3326aae00d3e94f70bc670f4f28e2d9392b4d4306f6575a67cb9132ffbd1e0b961b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}