{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2e66f7e5734662e58d679a02a1db19f1d87fe84f9b0559b910c3b3fa4c1e2553",
    "signature": "0xdb2c7e4e2e58cd67ed9d97e38574b628706a3e90c221c3dd2f96ba9ba4157c613c2df30c722001c9d7b7e2739633c961b5ac6152d4389f60604833af8bbe98561b",
    "signer": "0x90A9206Df4cA22A1ad24bfB7F1b639Aaa812Ac58",
    "userId": "266782887"
  }
}