{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107076",
    "entityType": "User",
    "nonce": "0x82111e0ef5a52df5fc1209feaabec3818ffcaa97b0f46e3b3d28f820682b9026",
    "signature": "0xda282d5b6991b02ba8e3253ca1f30ab38daf08582c57c9933c9b7fb9c23687690af37b75ea8ecf758a51fa6a28a2207125ec7a3fb3ce0654b4fe5edbdbd338b51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}