{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "694396632",
    "entityType": "User",
    "nonce": "0x6a78d73bca82e95d6643ebed8cad9dd58c66922cb826b97141e15d0ed45158e7",
    "signature": "0x13469b233bf98b78c84dab8783607324b857a3c3f99ba6b48319d96511d6c4b6463fab18924ccb8e9aeabf7178ef9bc68885e6d50185c1217e2f187c5cacfdfb1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}