{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xbc006ad273e1e9a12120c56bd6d64ed71881bdcb45645d69ce46a8afc1673a93",
    "signature": "0x49d7af4cb6799a21648dd22b47dc9bd41b22d41d53206cb22c31a05d60f38da127c3836229aa63f6894ae408a526c4582b4c4108fbe506bdc02db1d0b9cab1d61b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}