{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0x0ff8112a6b62fc2f2c1f69805f8778f6d9148ebf27f3e717a458428e4c9cf147",
    "signature": "0x3b1ccb049a4e3c613ba831f99fd9931a11a1045d74ff600a34dc8c3f65ee8bb267c2c4d0b518df3abfd2f3a4de7d466ca9a9a1c13798b4e1cb1857c81e520c811b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}