{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xdb39c515b8c13129f2bbd17ae2da75579dbd464ef071d838fadbd58a3d3cc000",
    "signature": "0x10d26ff99ee06de61c68e6c44f8537ce8afb16345dbc30d3d76608877e24d72d2752f0c821ba3829a56f13f2b7658b2c4eb6e449cf9c12799a76b6e12ff1cba81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}