{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201249",
    "entityType": "User",
    "nonce": "0xb2c8cc7e5dc630f971210be6cb788f421e48cced8081e82b82969a8ef731f7e2",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}