{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc79c1a48c5f5057c951631ce3f9054087d310bfd7c7ae42ea83350358d7bb36",
    "signature": "0x1e6c723bfeaf0c36c624c4d7c555d61546d9ea932c58f7b394a37fcf25e0682a366a979b5f62be83343526f9d985cbc81aca1e964efec5fc9392805ba501ea591c",
    "signer": "0x331cC92Bd5D40660B7268818E2D73edA421E59B3",
    "userId": "355193119"
  }
}