{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0x2fa7e66fef8b9c222f0254e7f1eaefd97473c18a5fc9402855fb407ca9f200f4",
    "signature": "0x82fb826a74fc906065911bacbac9b9934de73f3cf217bbbcfd0b2d7c3f57e8257131f260bd5caf93a5db0d14c36e4a47364c1a4f7f4af376e189add49140e72c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}