{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273529333",
    "entityType": "User",
    "nonce": "0x2c7637cb5bc38ee73c2889ee5d68b989f943fcfb61931afef1a85358e1c16a9e",
    "signature": "0x36390fd1636050b9a261259e26219b9a1b2a7b4ef1317b51ca6535c7229304b76618268052e705dbd086b6cbe3950db31edfc24ae1218da400850f8de263e44c1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}