{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174359",
    "entityType": "User",
    "nonce": "0x7aaf71126eaf6a529edf2e471324b53be0026118c5961b3166bff0038885d4a8",
    "signature": "0xab01147740d8a090a66586682c32f60c85146d7c2b61c586a22127763e6b69dc0643a85e3c532e75079dedc5d4e6635bffb992cf9c320133bbfc99662b95b6251b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}