{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x7b2f5f0961dbd6d03f7c67728e080d287e6b250400cc27716f510eff227d47a3",
    "signature": "0x67fa160eee99b72d7db6c6d244cb007a973cf8dda88a8daf8d12b81cc6a6602e5992121b9270f5ed8fc98383f40881b2b43e546d1b361fd51bffd0ee3d0253191c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}