{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9859",
    "entityType": "User",
    "nonce": "0x5f192a2c7c4fad077037408c85bef48f9748a724dcc3d48ced6ed23aebfd33b8",
    "signature": "0x5db4115e89e87400e1349050f21f9007837bf163b1cf194e5b343be3298c33c3640c1cb5b7e58fd80e439a853d473239b43e2bce8338951ea53d07cfac63b99b1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}