{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe1ed2ba62bc041f4fd59b6ca738eed31d080f72bfc05ec0cc0a205cedb16ed4b",
    "signature": "0xaa52f29490c64a8dcfc7148f373c1f0ad0615b3530af48804fde73cfce5ff42d2a8d20e2e51166b830ab11ec565ad1ceb4b0148db50b1fe4acd41ba7fc0784a21c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}