{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf765bf7d0f2891a82f63bbc4ddd8bb7c7dc0eeb1c6ac129f8ed0ab7c1a493931",
    "signature": "0xce8256b575ce26b95a7e47d1e4648ce056227e0241bcda5eea500a8230ec96914478d0ba44dd40316e0847cc88dbf5578364def7f116471617c90a5be31839661c",
    "signer": "0xF37A02f1D448a6c0D07838676d10cB96CA853EBC",
    "userId": "705940786"
  }
}