{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992262781",
    "entityType": "User",
    "nonce": "0x8df4bbe51240a0888a7d0fa23364a3fca2e8eaf8456b6e24858145bc44a60dee",
    "signature": "0x3dbdb32e02aa22d1a41f78be53b5ed7b8de7ef26dd8f0c701675d1d229cac4e943d574d6a405b3d7138aeafc56e12852aa9cfc87a37fdd0c127daa84ceace2e21b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}