{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232042",
    "entityType": "User",
    "nonce": "0x66f7cdcda1f087238255576fa789393a94f50ac8446e7d395c6097191e9b3192",
    "signature": "0x7171935fb11125f5c8ba4fe435ffb12c9e65033f35b1ff34c1762881e803b79466e6eec40e922a15959813d81f5157db41bdb77cff0eaf79cb4dd68d694e59421c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}