{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x7b82a37e19197077cc9c4149c662e43560be5181b84a1d165983b7938ebdd912",
    "signature": "0x205940617a461418a26c5a7e8a562964ae215d6f3f3d7b0d94db8cc506428b7e350be2040ceb8dcb7be7edaad1d6c8a96da2c2ab983222f6c3863b7a7b2504181c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}