{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1844160",
    "entityType": "User",
    "nonce": "0x586fbfd03513e7c9cad0a2821aa5c7a39783f0f34d351868b8c3041935e0cd7a",
    "signature": "0x600a1a82067fcc72273b7052170a12651411dde0b35b3d2ac866cf1db133f93c110e90fceef5ad6c82d98eb07f97cb8bdbb2eecfa0a0ddf53741561de306b2f41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}