{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30014",
    "entityType": "User",
    "nonce": "0x05ca3adae96cb816018a00d8e8570f74f7dd31824d90eae690ead3c7b32e0135",
    "signature": "0x8589e4d71f31dd50a8ebbf0178c4208b78edf811b6f7f96fee2a8393f5c3b010135359cce473b8fec6335021bde30b58cd514b53262c5e7900c44f09d23f61101b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}