{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217745410",
    "entityType": "User",
    "nonce": "0x29ac3c3782dfe3f2d8bcb481e3fe24c269a587e9e30da2f18bd080a49b558c44",
    "signature": "0x73883945c563e08bf5880105287fde8d3c509e025ef8629e4839347c9c7e972307f80b545c6c9e1a007600072409e22ad283ff7512ef7e32bf66683b70852b3b1b",
    "signer": "0x9FF2A7F5Fab732dA57359bb3eD63a95511bD1329",
    "userId": "67863854"
  }
}