{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2ebeb0a02f38720646ae7da5176f8c378422fddf4fc037648e8ae5a5c4513155",
    "signature": "0xc3d46bc0b65af0d0e25cf55178ea6a4d152eebd0897aa1390f391d7a52be77431e0d6951867ef9c8e21b6f127dcd260603a62862dc8061712e65c40be605adb81b",
    "signer": "0x7826D8C3300c86848f302654e47C558A74E7E8fB",
    "userId": "84390948"
  }
}