{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418692997",
    "entityType": "User",
    "nonce": "0x8602cb7332eb9dde26be6774e7f3eb474541d9baa91bbb09c83df31e4bd29c62",
    "signature": "0x0d98c41a4b55228a4cb2c6d04caafbadfa436adbf3fe8a3c8a8039665eab300a70c5381a5a03c88fed6e9d020ee4a735032a5695ebfabb7a3c5d5a342ca21dcb1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}