{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbfbd603dc6ffbe7fb708cb6e2f8b48f2b5c6d95086d265973c9a8bc96f3224a1",
    "signature": "0x5415974c2dbbc3381c03755c16011ed75c29853033ae11e2dad1781a24b732b625dbb807718c700b4af7ab3b3bd8d01202f3e26b93f95d4a4887f171b96945f91b",
    "signer": "0xfbcbBcbCb8200C7303553ecc93920e188Da18ddE",
    "userId": "82706702"
  }
}