{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494808",
    "entityType": "User",
    "nonce": "0x73d2d1fa72a77470d2f21061f69c0b73b0124fbed9ec105c5b07ac5f935bef0b",
    "signature": "0x09ae2f9ad3e217dcc6f558e393be3f715bf397df2d65def163268fd488fbeeac10661759b021d5942faedae54feb8f5604845332d4e94f147e3b6f38c1e3a11f1c",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}