{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39985301",
    "entityType": "User",
    "nonce": "0x7bce06be8cdf65f75cca36610b2689d42968298e62d558172c78ab25e3cb707c",
    "signature": "0x2785c08ed30b828a56c287e361110736703def159c9bd09a890e1b203698bc09609ae0e25f1e7f1dcfd6c1f20baba0f5c2a07bd518dbca450080dd08664f22d31b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}