{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346741915",
    "entityType": "User",
    "nonce": "0xbe88b7a4218f482b3c58d9e21fa4fb48dc900880a6d0cceae10254a654802f6d",
    "signature": "0x6e84217c04e086b4b30842aed324d234cae1b07faa1c083b51c7d66a2a419df06828807fc44e04bd44a5af52eff3947cb2347423c6c3aa33ed907dda085109dd1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}