{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0xf05da527c7a2f7e4269920bf91efb4c7a3ce6f1863171c3c7758bc6a50adc069",
    "signature": "0xfda8df38affa94164bf894ac8683522dcc9bdd230c5acbbdaafb1c9dae11423e7e14b071c192d84f6fe44376f7fc2abfbd7b411fc25c319591e6b3357acb0e7b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}