{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348162",
    "entityType": "User",
    "nonce": "0xbec7349e59e6c7b6a0b772f77425b6956802c7ee5783e5972e773308c6cca17d",
    "signature": "0xf7da821571fe4257692b7671f2b63b26c9287d2c11f9dd7e081c0dad505e1f204caeea3b7a52811ddf56a25c3404dff6e5edd372eb61a9e0d04103e05e669a7e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}