{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17395",
    "entityType": "User",
    "nonce": "0xc98889bd7987072792709cae41a29fe4dbe2842ade618f4d826a8cc32a22c78c",
    "signature": "0x6863b6955e0cf1218380fae14fcb11a1f59c1dbe2f84a13acd1fb61b5241448236cd37f02909fcb2ea01acd5d10a930ae1353ea836265a9e25592f92f312c6551c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}