{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17536",
    "entityType": "User",
    "nonce": "0x1bd17a408e42b823833ec6f5d236263d259c33c1c8037de96d2027aaf4fd73c4",
    "signature": "0x912395d8d31aa080b9dadfc34efdec095f4845a534c6faf34bc18190f64959cf559b718eeb32464ab10cb9eafd7e6e5feae0970773a7b98d36029851790e0b211b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}