{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207727",
    "entityType": "User",
    "nonce": "0x0672dc80fa63002b7118edc847de01b1b1f8a9f971bccbfc2a9f9820b14a879c",
    "signature": "0xb91be1cabda8a0e307ac926e18b5abb25b471ce3d1eb25b6d54ba3c14849e13624942fafff6bbdc4b9e71afaa4ece7401ab808a699767c406fd74d6cd5bf0f001c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}