{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104697249",
    "entityType": "User",
    "nonce": "0x79208dedcbba789dbac23d52a0a727ab4d1977425d3a325eca1b2773e5bf7af4",
    "signature": "0xeb2342a53c7a23d8bee5bc74b7a06c87f5e58b5d073d07cbccb97614ad0ca7fa69b2cbb869f2ef9d053e61a585706ee1ed66044e2161dadaf2453196968c21791b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}