{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17534",
    "entityType": "User",
    "nonce": "0x3c46ac5f33103167c4d652f6516767ceb331008151d0cfb9adc9db79a1bf6ec2",
    "signature": "0x02f8eeb4837df40b10dfc834f494637fb1d50d3f933cd8c9a5408cd1a498424a106bf2caf48e2aa205cdc7f73b46221c06d14f9b7d7e363999c04fc7c729d0991b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}