{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196690",
    "entityType": "User",
    "nonce": "0xeeb29056a63b7799e5a6e02c6462af608af9184e9f4a3ebf416bad0be58124f6",
    "signature": "0x5eef0a8e310cd9cf04d2e8749cd9b8e40492ab9def0ad612224d2922f5a1fcd8024c2c5ceb3f63ad4a79c48fcd9ac6a4860c1b90ca289f76e849970c4b0103a11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}