{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37175",
    "entityType": "User",
    "nonce": "0x8b012c5fdd777196b8e4bce16b0dfbf86f9a968829cdd7436f2a114b8bfb8eec",
    "signature": "0x6e565ec8f5a6e8162962d384d9a712de241fecb840be5b8dca25feba64757e262574cad72edeb37234b3f154860c97815f13ea724af119e141b90bbbdeb94c751c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}