{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x622fb06002dbfd40bd2629fdf8fad8a3182054831b3e9e92c2bdc82695ce24f3",
    "signature": "0xde73faf8604010367f97b771ad296186e1c9bbb6aa33280ccc7ea3cf7d6853d23ab3bc3a1e8aaf112d6289f83731f06821f1b707f2f34c055829009db92c147e1b",
    "signer": "0x7B1EBae18ea119bA68B6491849eCc402a8Da5D72",
    "userId": "494113495"
  }
}