{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274010868",
    "entityType": "User",
    "nonce": "0x377cdb73c0174630d7118798021112882211bd2ccf1e875115fe9082370011f5",
    "signature": "0x7006d176e855a466a3746ec4c551aa541fe459e62fc9608dcf8b89a9d0e3cbbb1befacbb5a6c049927bbcc5e03f39246a11f2cc2afcee3e60c9232efccc5a1921c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}