{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885035",
    "entityType": "User",
    "nonce": "0xba5d4b2948e18beb7331fa03cd539231becf9109d347d9cfe53e68f7fa83c0b1",
    "signature": "0x32cc534d2e06f5d10d7338c676822889d69bc59a223171f13c66b042f195127737ca60de8a56a8e16a305a66a7d4c84ff9504d2cfa5a4920a3c56df1cdcaddff1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}