{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xb2aa228c2dda63160238cf3874fa117be9ac2daba65048460e23404c2258d464",
    "signature": "0x39add7aaa27a5fe15bead8577f4c175e2a965568151a9ca1a4b53daff32d371b34edd39844cd3c155a13fc8cbe5590e447ca30b658857be31730ab73f45d6ec81c",
    "signer": "0xC5519269d3Bb86a61182ed7e7A79e2577b1CEfE2",
    "userId": "711370599"
  }
}