{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x20f7c8b5bc52a6e13a5aa688e7677d4a7683cf1c57183091010699d6e4158c96",
    "signature": "0xb34ee83a01822d8a36b96ee0f04c10ed2b23071f2792c37a97b307e46533e3175fe229a40a67c766629871685e59d75ae911de08d3ec4f7d145072f35f48cd941b",
    "signer": "0xd8a65dC2d71D6caDA0ef13A84908F90052c425DA",
    "userId": "837557269"
  }
}