{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932588729",
    "entityType": "User",
    "nonce": "0x698aef0cd2683bf4b5afce11aefe0d91c494c7a8c422c41b53e5e552bf76c985",
    "signature": "0x8ee19d9f429972a5f15b516edb90ee6f24890474755fc2588e0712fddf7da1e565841c53847a391fe265898c21a7cecab769bc87bf4aa03c6613a6624545bd0a1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}