{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981824750",
    "entityType": "User",
    "nonce": "0xc16af4d029affd26e8b83444d87a1ea3b79d59806d6c1daf3e027b74923a4e3d",
    "signature": "0x89281334ea20899ad809eb6caf9962b71083dcddad4c662f895585c42a9370d9088046e0e18569109a3817504d501fa4294a042a1f1963942aa2862e9ffd4f131b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}