{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349415",
    "entityType": "User",
    "nonce": "0x1e02841ab5cad35e73b1eab004d813f2fb81b6f59e5de1275f3b8fd0f7124a96",
    "signature": "0xba2cefc3b3834657e2fe7872aae8b7ef2b36e116afdec807d33d2b564afdd3600ae1ef30169395fb52ba47f3a8b5eeb3bcd6bf5f6968143686a7c9c673c5144f1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}