{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834096509",
    "entityType": "User",
    "nonce": "0x71378efd440467c8f8740d7cb4ec4e1a47e0499986cb7a4fd7db8d27e3e2dd3b",
    "signature": "0x2327acd5cf4fa37cc96288606851f0801c29bc5f90b77003da1cda0bb8b6b2e1323704cbdebb35e7c656ca275ddb41637d505a572f02500a9026f2d9a9fcb41f1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}