{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x68a388fd64484154f5a19d9a67c019c32881baf4dd425db7c383962bee1346d9",
    "signature": "0xa53e24efb3b4118f08723475691ef91f160854361dbdafdcd11ae4d4f4785ff71480681dcd2467cd8cbd36297f41a7be326894f32a4356a97603e53ea39988c81b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}