{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x05a3c2f7c78757af3767d2443799174553a5d2766e6b5ed9d8624f0669de2a0e",
    "signature": "0x5d9f5a2bbe06767f3a89b453abeb9d9186fb32f8ba7ad12991076123da0e1f0e7478cadcd83da313a2ef0972e6b1fbc93a332164117795423c0d744dc8e68c001c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}