{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128270",
    "entityType": "User",
    "nonce": "0x76afce2371497107342dc69283541a574ecabdcbc964ead935cec1253f45d855",
    "signature": "0xb064bd1bd68d3fc6c60adc2230529c9e8b0f4ea59f650f0076d87bcfd8141fce49c563a8910a9fa03e3e8f6aa94931d9067d3ae87d3a6e21276022e2ada4f1c81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}