{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61978",
    "entityType": "User",
    "nonce": "0xbdf8196ce6bf171ef307dd448956672623ae9438771ea16c0a9845428ad2579e",
    "signature": "0x38f905ae016897df545e9cc4d11cf200f68abaffa6999c70924aad16b0359c8c5e902ac703851015a71c40ecb9e17aa518604bf382cef3b0bff4b0f72b377fe61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}