{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2749",
    "entityType": "User",
    "nonce": "0x3203c24b66ca9f22e3fb30fa76659c179c16d9185142429b17dc061fd0a7e702",
    "signature": "0xed6580744f1a79746724d269aaa44f326797e4dbe37245bab4d77d28013b17203bc064b8df6eba35db2878cf605ebc9397c0ad8dc819d3a96d60809efa0fd6381b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}