{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61906",
    "entityType": "User",
    "nonce": "0x742ccd9a59b454a4018bbebcb73d57c8df4bbac0134306bc1fc40f3f7910d406",
    "signature": "0x8ea904a72d2534c0e7cc788fa32c60cb06ffe448083a26ad20667c51ab3f4c31792d83e669e1d9b6968f390b37c10fe53c9d6f0683e40cb32659e94d78d217a61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}