{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1327370",
    "entityType": "User",
    "nonce": "0x844e95daf22f872319788e724930f066b1209a5c1468e5f337a83299f482d312",
    "signature": "0xac88444d948a5bea100274d94e6394330447ad2cdd05701cb5c8a281a0bae67574dac23bd2a7b5538dbbdd10997ec8bfac7b066c9848b820670b0b39b3c54af31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}