{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x8a1e74e45335241c42c6de6bb71f0dff8353c592567d51a6a74fe51d99b6015a",
    "signature": "0xdc35737c497b148575ab3c13cffb1309134a07b24317ada0a888ef9bbcd5c36c1b16c82c775e1888bd8f5c5aca4ea854c196fc8a1946de15b6af999723cef6151c",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}