{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27897460",
    "entityType": "User",
    "nonce": "0x4bb6d43bfe9c8f8001536c4d94da8d51852188a7a0714111ee7e099e9b4d3fc7",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}