{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x1d2d1758ac72a154b40627fc99db445fb4e24537bf930a93918f0fad13d9b884",
    "signature": "0xb68b8ecc09bc10433a668e93823cc6d48ff76cda41b07fda912a85e8bf687f83390ffc5c61a6f433c4a9621d167be587548f9d216eb17725f1cf3992ed05e7a11c",
    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}