{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0x903fa57e9f17775ca53eecc2ea3c89ce72b0455b4778e0efa768743698f0099b",
    "signature": "0x8be6866ee3962f143b306730347697a8601aa473145ce8c9b124b53446c52ba03e80a9c27709998cb2a4f047dce18021d3d857c85f76916396f1db3565648c241b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}