{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9d4093b615cb383583f3b072e5a8324452fa8598303f6fcc61d69e25e99d4c7e",
    "signature": "0x206ae9ed2cf181ec601daed1cb5b70454e8a761080eecf338d3715b9e870ae5057c04cf322af017c5111ec5545fd2c2438251fe458130960f59fa1c4bc06de101b",
    "signer": "0xf2bfF6262BF5b5791D86FB72b9c1886a9636D3B7",
    "userId": "6795138"
  }
}