{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xf673a082b48e0df4e9c88083746179b8e907b7a4c61a99709920a55e68d2d943",
    "signature": "0x624ee6033ec670125c739104ebb2838c943ecfea4cc07a992abc6e36207d23dc10368fe56ba8fa1575dc16d7a5c7a36826d78c40c536ae0124259f6ef1be5e8b1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}