{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xe49326eb939a992ad7935ee635999e8255763355f5a920a28fcd4f18540134b3",
    "signature": "0x775eb6fad61683a115a89afa70dcfb939689bf257c538eef3587222e1cda46b21fc117a4226876890848d37b544cf6837e4177d104328ef5ec6a0a2d86acc02f1c",
    "signer": "0xE22639FD840080b20889373FEa6060B4757eB9c1",
    "userId": "274627911"
  }
}