{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x8e5ec7772a32b475394c5edac69d48f1bc449132db57da40bf376ab1cd0bc0a0",
    "signature": "0x0de6a389085d03cdec5936ff5b97a9eb17b92b567885d8e94883df25d53486207bbc99a9af0291e4b25d3c34d9d2f425a3041874c48b8916b312dac3c08123461b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}