{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48039294",
    "entityType": "User",
    "nonce": "0x269190e65ddf23ef4d5508dbd02d76e546abe84b0487af203c61e86505cd39c6",
    "signature": "0xcd137002f681c25c663c36f52df0042c261bc1bc886a5ba0a3ba3412bbd91ad407a5a2db23ad6d635df89bb47941450a3147c696313bedada590266851d68ddf1c",
    "signer": "0x607934b86f8Fa46aa0c3E185A76938405A753B7E",
    "userId": "985732299"
  }
}