{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151086",
    "entityType": "User",
    "nonce": "0x122aadf4e73dcf3e881fb29904381651fc0d576bada8644f56fb1431bbbe4c25",
    "signature": "0xd28f4aab16cbe7c727614e246c1c212d2d7d1e9b9455af5762c29d81c226991b645ee011596616e97e6260ac315262592d5d290eb539e332ee4016320016b07f1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}