{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10",
    "entityType": "User",
    "nonce": "0xdde1583fb773bdeaa0b110ec7c2223d4407ecf562cfd5b32d245e140aae23136",
    "signature": "0xc6e00f50cd506c23f6b9a34fc9e1af721b1c4a26234b3d2a2fc559db8335eaf43b114f4e659cfce84ad92d71d4ffb1c3d8a8578fdc4521bf744cad397bb81c9a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}