{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x704575de5ad3caf402f30c2cb1803df00f1a64ba75338689598c6917dc0dbebb",
    "signature": "0xd0aadaa45bae3251a5c57c589e1f7180d88e1a90a26a9c6c695927b48a4677f566cd5c880c5920f2ba73af26bb47f0e0a438c234ee548c618ecc1d5a39359e481c",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}