{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144054",
    "entityType": "User",
    "nonce": "0xdfabf764d36931c6a71cd6faf58737d0d74117d4a015ff3eaad0687d8e061276",
    "signature": "0x9ce76a28c28372876c036d85d90c4e0d40c4fd2a0d38082cde28169214534e741ff64ffc7581c7be16f8bac7bd638935da60c62d47e9eee96ea3a12777bec48f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}