{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x5dcac59fc8665e8b8259524888b71001d97467776cbb996ba54c162914f9fa36",
    "signature": "0xfcf88971f560e1d288f5a74d1ea0d302c4481ac137d1574ab34087e6e037f3806d3a6ccb062d85a24f09017ea40146637260a94562d57c9b462790d184a4d8bb1c",
    "signer": "0x175A3bebFa14E64C549CAc2962191B2B8C788421",
    "userId": "6270901"
  }
}