{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316922",
    "entityType": "User",
    "nonce": "0x384129a43042a8f9197364953acd0327d891faac4d54f3d9260c723398d35ac8",
    "signature": "0x6404844476129bce0045f6b2cba76de86fde4594dc776016ed7d8d201bb751ca47ee17478499c3a6990fc5c31fc7254dd16d0508244437c9ddfbe7ede821fa311b",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}