{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175003",
    "entityType": "User",
    "nonce": "0x3a63da41ebac543990b180e906aba2326f9c814ff3cbdea1d859b21f6a2dd0e2",
    "signature": "0x3130ce89dd2c6993dd4ef072b330c82e93e3956394156cd08271cc8abb0b61936bcf7504fb1349e9ceceda4899734b1615fea6f0adac1a6249daf541f7fde0c61b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}