{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xbc43ddf9b4840dad822f745b85afc87378a4c2f3f3df554b72032cb86970e736",
    "signature": "0x195c2b182452b1965c4edb6a642131618bd78e08ec28c72b1977c0a2d111b785751bfe4fa8d40f49ed3898dad21d593be2132523fa98a65834eb495b040a66c11c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}