{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xbcb00c3420dd206f51edc7e7fe14cb2cc62ef0496551a8d755212768898f6dcf",
    "signature": "0xadcb4fdea7ea81ae655c14007d5a757d7cb5e747c215fab6637c27ae631f4e49771137a61dfd3185a6a829aced7c918f2bf3cf06d318f06c3400b4144d8c23f81b",
    "signer": "0x03dB479a8E887D4696e53C007b70b3EA318049d2",
    "userId": "773573937"
  }
}