{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x40e3ec130827baefb062e31cda05e6054b8dcfe5ba69f366169f23040377f250",
    "signature": "0xa678d8f691f4e095bd864593b1bf2641f1842f52670cb890108e793a1b9fb95323d9fa06bc67643362b966f97c8107fe72d9e917833a33bbd2c945dc360ccaaf1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}