{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2e3adecfd403d67f46e4d1a8c491d1e2f28d24631b1aab2313217a0d142adbe7",
    "signature": "0x1a90b18433f6f97142081a82be34dcd7b2805f63e43937ffa7168ac32d7dde74595b2b61dba8ba47ad0221fb26c465fc601f20bd73e4c65fea47ff8c408c6a131c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}