{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf61e859ba967f5d991631b3ade0e8204a34622613e4d45529c52572cb70d364d",
    "signature": "0x0c8a62155bccba2ae56e3a059bfcb9c1249af7f41732dfcf2f2d09bf7dc8e7735e62368df726d62e553b282ec8eb52656e48c929f412fe6b428e5c6ac54c65501c",
    "signer": "0x4380EF2DaedAbd0502eD9636957E83ecc88ef98d",
    "userId": "169879299"
  }
}