{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xe1ceffa8aadd5feafc688bc4cb5cf9228461ee74d98f423c12c21be406f5497a",
    "signature": "0xd7ce21062529372756b0868cf6fceacd3e928e19315316c9c99f14e7e72d68f8251f8b8c2e2a0d4d71d2e347f3d8821ad151b547bee81d90814c2c59240ceaa51c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}