{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1406694",
    "entityType": "User",
    "nonce": "0x02196612adeeb50518e720f759d658f67d2f1e375ff162e18d7d0c552b6fe248",
    "signature": "0x430446dc351e3886ffc2e537fa293eedbe802c3a83a3da735a23b2831b6a121b7ea88ec8f337319e7d02c68f7a542f525ab15acd829ee57e2073f317347ab40c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}