{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256201",
    "entityType": "User",
    "nonce": "0xa5c95dd4db91529654fd7471949c0e81557a944aab25908ff93584c20d5da318",
    "signature": "0x952f794c86853bb1feacde8eb7e14f47fc72d642e45b378cd08bb9b0aa6982db4c40e7c680b91ddbd7e56bd22354374b03e564f1133a2767946b1378a7b7b21d1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}