{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x5b209c55c164ce1a9e767e4fac6f953085e727eced793e731f486d16d42b2d43",
    "signature": "0x7ab4e08b39a4e7360777e1c2cde0b3faa705dc447cc5a0b9e5822a23673c6a9401ec1101707970dc2eca91c5ec3e118a456962c0dbe746ff6404b73327558e7a1b",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}