{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x951d3d7a7809c864a45218d2464e485f4488c930375917fc09d20246fa1b665f",
    "signature": "0x1ffb61470fee4a5c9caa63b1bbc00223e0b3f44475e56634af0b8133b89ab082463644301121ccacb5c2856aff66aaf276b1d07d0f7e8eb3d685348e90db98c91b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}