{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57863",
    "entityType": "User",
    "nonce": "0xf60561a6acc471f1137d5f4be2418e22e5b30b430ad7fc78693ebb6fefbef749",
    "signature": "0x33a5c684879ce89c7ae291a351a26ee6e5d7ea31b04c1f82fbf7664693401ffd0d60dcb0bb637a3b690ad523c1a5973148d7dc4d31dcff9b2c9f533a1915f5b01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}