{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342186126",
    "entityType": "User",
    "nonce": "0x0d9a6a9d701f6695624dc413e603208879ce9863c80ff816f90ca3f984df7329",
    "signature": "0xe7be32de2203679dcce605382d1434c6ddae5bf4415e95aef88fcf36162ea7be2dddf7e84ad9634fc306bb16c48391d0c64199ea1a9488413df4a8def57344161c",
    "signer": "0x68b1b7Da0D0732BC0532B7e47ff43b7c1d76D152",
    "userId": "271210185"
  }
}