{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "784138",
    "entityType": "User",
    "nonce": "0x9cb858e74388881a0a2f4a7b907329cf56f31dd27d7a2b9d0c4a01f4033301a9",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}