{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x5a1791e1e25cc18e394f9577fa3131acc81e2d56d8c2fc7cb04edd5241352c41",
    "signature": "0xaafeccbdb85394dd1806929aa3ceee21cb512f19747160b695b71bed27a8d05a279a3f197277b522235d03441fd11f2ab1f14d55c30a9240d03949f23a3a76281c",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}