{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf694b9b48b3e72849b49bb3e4da3b757c42b541262fe20080ee0921bc552f938",
    "signature": "0xc7eab530431bf134b296b83b3f0a08369e3f843127dcdb00e540e06626cd91910cd149c7013abc290cb8bd7a294e3cb8839e0025787e5d1d9a351215ddcb772b1c",
    "signer": "0x02201dA6dc1961A7A9F3324cA158d0D6957a7087",
    "userId": "586055099"
  }
}