{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73085",
    "entityType": "User",
    "nonce": "0x88290d603c0565ed135bbc4be96d86b9fda93f23ef4cc311e73f96f4b241bed0",
    "signature": "0xca6fe17d4ec92baad3ff1b6bb3678b9d79c117ec965d19db112297f28ac94d080f9d6fabc7277286fbfa53a14ae4cfbdf0b276cd11e73a92a3dabb3ba463da881c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}