{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2114",
    "entityType": "User",
    "nonce": "0xf565ae2d08091c86bf2da586c9ad0b815505155f3c7d9a52c76b0aa1f4c4a59c",
    "signature": "0xb641d54e89aee5d756ee4b135cf552126583552d1758e085232408a733a7ef7007d567562e07631772fea76b365f2ffb7adfedcf7e0cb3ff040fe9c57b6f59ba1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}