{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "410755538",
    "entityType": "User",
    "nonce": "0x49127b976112729a6c60965a99ebebf8492a53234668215f461410668e5879d5",
    "signature": "0x3c7abc0f08653694b5bbb3250527cd85cf695eac0e1529c0abea1dd4deb1168962fa9f2ca2b38d36560e7b25e678dd26db90c5f74b641d99ffa651c5da509eef1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}