{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323239",
    "entityType": "User",
    "nonce": "0x790ace2378ce91e1afce83517c9ae74d47ed5f1e347c500cf27ff5ab7c291f60",
    "signature": "0x2507e049e971b0d7a365612c2a9fcc15cfb107f91e39719ddf2d59754b59d8106d268407d8d8a22d849b2443479c1a0189a9497688f4b3e8189c8a282e6e35c31c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}