{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101812",
    "entityType": "User",
    "nonce": "0x84397c7143600122072bcba52dcb577058b8dd0f79ab4b4a45cad620480a3296",
    "signature": "0x6a4157c6ca25e838a128150172cc9de703fc2c74ab2ee5485c411ecc5ba8f5bb0f392f1035c5e5c0717596ccff0d171d49123a55096f8eebe58879d609e0cbd11c",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}