{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd861f2a4fd36862ca17c8d2fd22416950063b6de3ea4688cbf55179288808118",
    "signature": "0x42846c679830f9e8d7f2deb4b84b703aedd40f067a6115ff6a16fea81a283b7862bf1d2e7c88f4b96ddae58699285b5e5cac2064ec0e18e02bd5b103a66fe4aa1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}