{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x401da0bd2a7dfc49d27a40de3924cca80c7d907c629d144ff875af80521da5c1",
    "signature": "0x120f9ba5928427e57d8124907f2c823acdde897e0242e1f01b1c087f4300446f414b604076a59012b1d7e3064d1b9b72485c4d087ec56bed05e11d340ae51e3f1b",
    "signer": "0xdAAEA36c089a1CFe4f77A3966D544130A02Eee4B",
    "userId": "41419721"
  }
}