{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686051",
    "entityType": "User",
    "nonce": "0xb0080ba515abf647e68442438f22c672953e8beda7908ba39b91f64c80d4e494",
    "signature": "0x7a40ff339b0fd97a8d450e910c4d921dcc1b3bd0989f98be5754b040999549652d6d10108a92554bf23eaf8e6aa2e60c68711d9154dac0e921d880d1a9cbaa4f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}