{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78790",
    "entityType": "User",
    "nonce": "0x6fad00a6ac9a753d18e67fd9e15c6043333512ee6c780c0ef50412bff296dd67",
    "signature": "0x3bcae899ae3a70a5f675c1d2c1be86a43c92f0be59dfc55c1b958c20e268745c218cad921ac4d1bfb65d843024cb2cc889bebf63e36d3b0bcdc11b65191974941b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}