{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8f59e35f845603c4190c710beaf14274e2de425d17be0e06986343d147d1a2d5",
    "signature": "0x18bce53eb659b229bee60a1abc98c0b2cc741164ddbddd51d39ed01c42ca80017d3d15c67c470d4bc8a5ca3b0c523345746ddf501cfe19d6520ff230c63284cd1b",
    "signer": "0x54bC87876799beaFF396Caf61aE3186E8235343D",
    "userId": "832575185"
  }
}