{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x9cb1d95e32d7dfbb2a1e75e3daf3979b7ec4a7acf9fc1cacaf4fddf02a9593a9",
    "signature": "0x30f396c7cae3317533dcc57176f9346261632f0e540251f917418dd7f502814f7b980e23bb52ad0419d02e86f82341c5607778f1fd716f496b29336f014c58b81c",
    "signer": "0x60824E42B28a3C9D7A9eB6A6feFC1cfB7B41F7C2",
    "userId": "914462657"
  }
}