{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xf2bfbfbebf3d046756b3befa988d80a72165db13fd9e6c5946a3621c148b0f7d",
    "signature": "0xfb056b2ae749091493eb0a5323ffc72ac786fe58eccfe34e1829bb32f82a95de0aecb2cca29f33cbeb5f530727b34c3a9d6133e50d9440bd9a49006e0b483d1d1b",
    "signer": "0x858Be7885D181415aF81b736714608bbff4936d2",
    "userId": "357460890"
  }
}