{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62512",
    "entityType": "User",
    "nonce": "0x45d28974564c0e598114694c357c75058712ee6178b7974291c0d95a7eb850b0",
    "signature": "0xb86699016301130896b1ef9625c94530a43cfca22c4f4a6e00a4301e0f4b686825a3d890170c88a719763bf21c10aea5383f72d785ac3fbb94f49453555ae1931c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}