{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120940",
    "entityType": "User",
    "nonce": "0x1d731210aa6b1feddb77b8cd6105b34dee6a356f3cb8ff5f3eee356a6e2c5a2d",
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    "signer": "0xBb3c1781B4353D3876c9351dFBca44dABfb092de",
    "userId": "64843590"
  }
}