{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940916831",
    "entityType": "User",
    "nonce": "0x32b4f9254537eee849bef5ee25d39bb3ccaa85b9f444a34c21305200a766b429",
    "signature": "0x72c48552556423504ecc59f11cf10848b5806d9b78d1294228a7ca763d4f48dc29796bf4e0728ce30dbc8564e4e4e615bb26da00127eb95e15343664087e2b1e1c",
    "signer": "0xF7C299AB5282FD59254Ec0098FC5F1B997682c83",
    "userId": "61898"
  }
}