{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x498974b7a5d5a9358187e89ca0865013da40f12c71693760502771b65c629f1a",
    "signature": "0xc55993b0a1ab7c59c35d957a7d744b944dc0f0fe4f3035a93081afadd218b8e36fa83c210eef1077d25ba906aeca53a440188de25a09631d8c51dc636627e60d1c",
    "signer": "0xEDa332aF6D952886D88E6110a64bc29CdD327a6e",
    "userId": "926943276"
  }
}