{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73529",
    "entityType": "User",
    "nonce": "0x48f390a7b781e7c5495d7da26c4b595a4a7aa58a794b960f17694e123f27beda",
    "signature": "0x8079afcbebda1b2bc51e8b6486437a2aaf591f802b9a4a146ad168246edddee07216e84d9382c5e733decbc8669f12a17687c70ca1069e7de89683a6c0e946f11c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}