{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xd5b3832ccb841ca89738954c208d73ed86b23cf00686a2a6b222340a18c41a43",
    "signature": "0x8efdd419b4db0226f96b38e7b043dc74652629c89f9679822be5b0d82258a9aa26a33c2fc29e8f43731e08976c1fe3652dd464f85464a38ec2a1f31e390bdaa71b",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}