{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0x232eec2d85afdb312bb63eb7c065be6ad8ff479f8f96c8779ad26d0d4aae38a6",
    "signature": "0xb47d4ec2ef12e427af686a4a17729cb9fe5b128eccf245fc2160ec9e4894bfb07b38c051da5b6e1e75f02c6923ac66511798b9bb606ad23d9dfc67fa360d70361b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}