{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191924",
    "entityType": "User",
    "nonce": "0x375f31163834ad8b617f5dbd894c49f81f810e62e9b0a2991c7ad394eef5732a",
    "signature": "0x6b41362d8a2e2940b0f48d3c827699b612d76346d97b87d8011e8521ad562ed02c8f2ebb0d622e119cbe60388ae7fb76878f234847801ed23f6a2f105a2e506e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}