{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83470",
    "entityType": "User",
    "nonce": "0xb81ef458ebc5a3bf5f6a59a72ca4785c3199a222e3190da8cc38208717f23db9",
    "signature": "0x85ba44c0aa17d34cdefa2f15410832adf00255048e3a1860b7614c6ca3e9df867ac1be797ba2331d48967664d3ad098093b3f86918e7fb07c9da165a4e48b3771c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}