{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36630",
    "entityType": "User",
    "nonce": "0x90d18bc4d55801d67aab0b41fc70b578209904a67417a1975cc7f6cf63e07f93",
    "signature": "0x03a37fbc1236ba8e91bba48bc8cedeee1729d9391ba2adb81cc641e5aa4ded1e3bc7d2d2cb3749007d93c0458cd6f8a3a2cdb385cf10ecf121285ec067c6acf11c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}