{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82372",
    "entityType": "User",
    "nonce": "0x135d9d50edfc7c6918bda4ca290b19339e5a67857ee15d544c11a3a4f277f562",
    "signature": "0xe2adcf83af711d259c577c54ab407bf568238125bf9c4a3617d31b87b1b00d0e3141dde5eb540ed5455a31d60bf648c9b3f01d4a80639fef442359c2b82f72a71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}