{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xafa000e14db50c5b489799572381b23d98da8dbc972016c5843694532f639089",
    "signature": "0x9833595c571faf17795c7674eb69454cbd58dbea586ef554d5b452109c6ba702205d9bb7b86490373ddd948691d3d0a0a88ddd3c30d33160c278ecc06e8c0c8c1b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}