{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0xeb6e6875fdcb57e8afa3c5c34829b12a833d4242910dc11c854d1058952b6585",
    "signature": "0x27b8bed6d57c5e00101966273c9f1d558992a6ed5a03e76717329a37b150799a107ae9a38c4ae38e927b8a64f865d7590a738e0d5af54e51a3d46f6f8f5725001c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}