{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55212",
    "entityType": "User",
    "nonce": "0x3594d79d70b7c49f83badfb5c3bcafcb3f8c86373f4660872f4582e9fe9877ef",
    "signature": "0x10dffb97fc4eadf2e05de1ffeb70256317244e23f1bf70a14e8ec62b51eb6858478f68e78a64dfebefa512ab7f035ad92305af829adb3ba9d30b7300420b830d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}