{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc360464fd4f5d4c827d21ec80326d60a9823b7031119940216b5909a7127d653",
    "signature": "0xf0891707fbcbf7511f44808685ada427d3dc69430282d0305b7a03af0af0a5c028730f5954cc89965522b7bb3bed6fc2dcadabdc3d84a93d51561cfc06041c571c",
    "signer": "0x5dE07b2e524493F9D5313f50B360B1823aAd131A",
    "userId": "311079775"
  }
}