{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861108288",
    "entityType": "User",
    "nonce": "0x3627f1cb57d0befda0f6b5d2763ea0be2727dafcce92d88823faf7042731e2ee",
    "signature": "0xaa97980d1a97c3b9e9e680bc6fe1aa993a25441aef1eba88bd26871488ac538d6848ae403778767e21a4c9d84de7c1b426412350ed71c32263607bcfeac9ac701b",
    "signer": "0xaCEa944E637Ed70d0846f218FeF88B644E2AA918",
    "userId": "221007610"
  }
}