{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8802",
    "entityType": "User",
    "nonce": "0x323e0b12ca52f2c9c842b0c1c126511e017b62dd22cee6989365b03c45d1e6e1",
    "signature": "0xe6fe9211f68708bdae16d73f9a00b19efb71c86301f45231af1b694f73530afd2740bc61c258f85804285c63c4ce9c0e6c9f2e77b1fc4acfc08eccabd8268e751b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}