{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0x25d181c626c8860803d2bf62181ee4f4be9998f0ee2f1c06c31e5cc9e3c8196b",
    "signature": "0xa016c3c0db1eb15ebe373870ab014898c86618121bae5f63df98f6f95c4b3f2922f489637f37dc4607698988c1dafe962cd6d387d1e1e5cfa4cb9261bd6940bd1b",
    "signer": "0x6b89eeF406A3D10E08768E85967dB17cf7EaCd03",
    "userId": "125044"
  }
}