{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847559518",
    "entityType": "User",
    "nonce": "0x8b3fe39b40f5cc6b5b6ac54be874bbe1fb9b9b0993e35ecd8bc90d28d964023b",
    "signature": "0x887519caff549963133268265b57bfbe3fc90b7f3c077948c7a35023b3178ca07b4ab2cd4607afecd8e5068acfad146af16733cda32ea8d30b8eba86763f3ee31b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}