{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977818143",
    "entityType": "User",
    "nonce": "0x480db2767e4a4f97014c24737ce094a4835d98398ae0d9a178b0285b28a6a735",
    "signature": "0x5da4d3b4f5eb545313156f2e45c35fbac3336c26fac8e2e3d4649451f090cf9e1412f28e79115d121a5336e844460215499f6e4d9e239f166f42c42f5b35f0341c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}