{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0xd9983e6db00126da03182c8defb9fb203affce5518caf40d44398caaa497866e",
    "signature": "0xbed98f61921817e08aaf4126c00275ac9b3253e6390b1a4363d34d04279a17d23a370d4945b8dd811ef41387df5a66b7931210b12309b2b404d6d0f20165ede71c",
    "signer": "0x376F8aABFbEA5892b16eeFf35C8504520846f157",
    "userId": "45556078"
  }
}