{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984621213",
    "entityType": "User",
    "nonce": "0x06587ba6294d61b700492fcf38a29de9cb4deffb5ad092955a44e98bb2bcb707",
    "signature": "0x55007421c27b17e7cba1e73cb24d516ca548406905bef026a859ea3c6963c0e44618bc7d1bac827d2fdd33fabd23d4ed555cb1b61be344349a9097645bdbcdd11c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}