{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4e16d421f4f1e9e05ab5d4d088f808cdbc1962140657e8c09a2ec528d381ec48",
    "signature": "0xe0b12c70ab90bc58df1ea95b60bee6e3957c74d27a1e804db6abc7d644e8dc484e8d18e13982cb7d69c6def46804eff2e2ec4f429585c22b34ced7e11c5c51691c",
    "signer": "0xE7743A7400A92290CfE93A3de48a3D4A33D9E97b",
    "userId": "802326336"
  }
}