{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xfa1171d900c7b9e9a1f2e3599790add5f34eeb5343240ed45c97896e933ede08",
    "signature": "0x0f8f8cfc69ebc4ca0039d93cbb2d6f7359b27a3537a22b20b1f3011c4a6e1c57598c773995bea41141a7c46348dbea6103255dcc3d1aa9a40fa8378c49191dd41c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}