{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb9eca6ed0ab3ec1eb0de8f8ca63090184aa36f870b43deb28520bd733c20858",
    "signature": "0xdc39243e28a18bd76ebdbc3e1006086e8cd2999351220b7030ba741872988f507d28c640404e2d00681921c24c2b1388c4a577c1df9e1013f8501b16cb7b188d1c",
    "signer": "0xAd7C529d54576fAEEE684A615330a405a943324e",
    "userId": "473382245"
  }
}