{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x9bfe41cb419c933efd3e209c928270d4e3be6e122543360dfab09174672cef00",
    "signature": "0x73b9301e5e7c89303529873c33323f3cf20b40ee268e79563688c705b66209a02a4af5a909c46ece705ff6f945001d12917535da98938e07f72331cdef8accaf1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}