{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x205f88b8456de0fb4e08a9556af5bbb58973e61fccb16f8461f45c111cd9cd27",
    "signature": "0xa0ef04ea7256cbbdee21aaa953ab182548b8157d9331d6bd5aef53f8064ec4ca51ae62abd3b6f998610e159d53c213e332329b9c577a44133f8b0a9ad9dfaf381b",
    "signer": "0xb3B0c5de0af3Bd5757ae865d115897Fc4F8a9353",
    "userId": "623099781"
  }
}