{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xcf456900d93fadbc5a26d24bc96a61533f2180ceefe871ecf03259fbd2ae6fd0",
    "signature": "0x8274ed3ca9f5cecbc7c47c1bda742fbe4bdadc55e844ae8def8603dcc86a5abd758e3bf600ddaea5cd7513d9801eaedf4475c0c3f36a3d3c4b38b705daa940ae1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}