{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137053",
    "entityType": "User",
    "nonce": "0x036788bbca7346021c5c892afc0cf3e05877f8d085eb7e8bd95dce94d9e869d0",
    "signature": "0xbd9aeb2c566fa00b06f2deebae3fb6b3f949050a4770c18d6fb3479e9db618992043fdf6ae4a680c7f50f9a84e9a56344bd8a22b888d275f29c84acac288b5121b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}