{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5680",
    "entityType": "User",
    "nonce": "0xb73ae276c1ddf3982afa7b20973c8b859ea323e666c267d104f44f5d677247a2",
    "signature": "0x71bc1b0131301a69e8b9e9c264f58c2af54398dc84392553cd18b4490fd2b31f1997dd496f9e6f397547ee078d99ec9bf26ac8adb63bf103c577a297903792501c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}