{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708313645",
    "entityType": "User",
    "nonce": "0xedc923d8e67151eb6b89438f3492380acb3164a5b801f228125dacbdfe874836",
    "signature": "0x8c34758d6524003043fba7fa920dc80726c8cd2016bc56a4cff146ed68eefb8536a7499df4e8bcdee5fb0f1e3143973fd6150cd8eaed0e5509b3e88493a4d4481b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}