{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xbab4a40781a95f0af1d4020028cb19e7fb0e02b014dc601daf0c80088581396b",
    "signature": "0xa6478f8bef017953eadf9b2327b1f43c0d517df6a1859cdec55c8058485df52e5713710fe80b3ebe96ef9b3a2605ff8ffb51c8de943742e65758f082f920f5bf1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}