{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68569",
    "entityType": "User",
    "nonce": "0x9b52abf46df9487c6cdf482a853e854d50b5e50226d4394f32742f115484694d",
    "signature": "0xe151db0d9861e8856f7d52c4e2b79cfc1ac1526d022349a892fa9af8090150af15b72ac1f1ba09e34ebb797f14ec72e1bb85b48bd2a6fe37d4c9ea4087f749471c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}