{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x44a7d02b337b1dbb04e93a89fe4e358570637167ad08a856952127556572a564",
    "signature": "0x0636e370ed7e3d3d3f6dc791b74147fc28df3e81dd7614ca8d41ebe6158cd99313fe280dd543689cf5ce2203943588cc570e944986399c5a3c9cb964dcb8da031c",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}