{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392941848",
    "entityType": "User",
    "nonce": "0x2b846f3c3769bff4418f5965c0beaef5673b5bb76857d03fa7b31e1ef4a3d927",
    "signature": "0x97aec0d1bffa68c6f3f5452cca834284ed62d37ec1e0010809c7f77c637d0567778cd7b43b081761d79fbb29a944e9c6108521a7f62c9a7ca8cae0056c3d7df61b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}