{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166781",
    "entityType": "User",
    "nonce": "0xdfe26678ba2710b4932ddf7fd05725fd4ffb6500474d904728b931b1b6a82856",
    "signature": "0x8730e376c9d4768579969b5fe019171706933781d1fc7217032f495d53e6762d29a0773e76c79da35e0f3b7913aab1aa64460170d4ba00a9518c3a38f119185b1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}