{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152579",
    "entityType": "User",
    "nonce": "0x417ad969e2e63063cf249cbe7356b4bdc7cdb81846a5aaba87fb60ed6f5e9ad3",
    "signature": "0x1573e39fffb249d50910ce162e6ac1cf3f0217861a652b75e69c97e98772989f3c3afc8ab7515351bef437bc7a0e3771cdc676b4443d3d63b325724387e1dce81b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}