{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x968f91147fd8b2d478100caa5a19368d95e203007557c3d2f809933fc7a88750",
    "signature": "0xad84f6e343d489fb8a11355891dc5e60e35af33cf505feb79e1fd713b151929c0a262ce3e25f1725d2f5a0b0cd37566e03f89e66c1783b7bd5734a337d78f17d1b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}