{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x555abfde3b3bc5d202dad728c671d77e998981682f15f9054e1f3a1012871ba7",
    "signature": "0x4791adba159a84ccb576b35908da191642bd67b29b800cfa1c0bbc70101cab4c6811d8c9662697b5119c87bf062f1eac5699c2689b46615c329bc0ec053a46691c",
    "signer": "0x187F0888bB77176fE139051250581B3F7Bc81A5B",
    "userId": "1832777"
  }
}