{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29239",
    "entityType": "User",
    "nonce": "0x5f6a7ca093b8a11578a806d43b69cb3e8cf3add1ec17d9b962bd5f0a0a3cba5a",
    "signature": "0x749f1281e7bf4ff1191b3e6e2c5b8790748c9aec0815edba454d15ef61ba665e52b094f64fa60746027a4158f8da8259d078f12ca584a0cc95f2be32924da9c01c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}