{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0xb4ce30b739cdc921bcb02a604d81b300125fd5641b186d2d99c5e62288dd67d6",
    "signature": "0xf7379f6f3bcffcccb61e2573e938f6c941ee93b59e8a35ba42354359cc7b2f1d5b178b7d8fa607f35329724ef0e69b98a7ee054f89a5a94bfcc42340832bde6d1b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}