{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196108",
    "entityType": "User",
    "nonce": "0xdc67ee7be2a2cf73652b5cb35b37ef0059dc365c9959acc2fd3d294d3cee87b7",
    "signature": "0xc19b5503dcf828072815be63883285f399251b9d691a71888940b8b6faa9457477a37481d8f1a0c041346d0c553e5b6bbb515445d4958c4dc5e3c09dfcd924541c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}