{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139309",
    "entityType": "User",
    "nonce": "0xcf7036ceb6e7e191cd9e0895be7fa3b7dae917234296e7674637e2ecc55e55ca",
    "signature": "0x49b6bc031133d981c34f0f863d405c28af4252af6aabda8d629c7ddebea30ea747f18fc0de902c3834ed9310f0c322d7374b1a61af9715ea0f074f8f821b431b1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}