{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71569007",
    "entityType": "User",
    "nonce": "0x5f8a3492490e740b1df8473df865aa7104d947d376bbda78b643cbb474b6cb86",
    "signature": "0x65a2b8642e2727b7fba72c67728f1733748b0009c8d0895025ebec7a7410b2197d9213c2a159f18d15804fc87a6f5115aaa2a8cfcf77946aeeaaeb16d3d9545b1c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}