{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "813014034",
    "entityType": "User",
    "nonce": "0x7e1e04475402b477c7988ae7e6b33af30a7df5f0e9ffb49052c4b19d16d86e77",
    "signature": "0x1a980cae28ded1e5a874ff37a16667ab54c85275e0c42c89dadd8159724d687703e8c5e82d09a9d3cfa787b6ae782686b4633b25e2919f437bc49cd11f0f692e1b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}