{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7591",
    "entityType": "User",
    "nonce": "0xc1c2a2493989030bc09bfd4e20f6dc56332d66a9e29dcd0ce5133325d1346baa",
    "signature": "0x79cc7ebe0982dd61ee71750661e5572f10444ad3dec4f09b3de5cac7a371ae086381482271a870f6ef1c37c3fa322de8b4c79508f1bf4700de5c5793bee642021c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}